Update google-adk requirement from >=1.28.0 to >=2.3.0 in /agent/python-agent

[dependabot]

Updates the requirements on google-adk to permit the latest version.

Release notes

Sourced from google-adk's releases.

v2.3.0

2.3.0 (2026-06-17)

Features

• add create_http_options to ContextCacheConfig for cache creation timeout (ffc9677), closes #4703
• add GCS first party toolset to ADK integrations (fb19e1a)
• Add log_level option for adk run CLI (1ac69a9)
• Add mTLS support in AgentRegistry client (03671c6)
• add request timeout to load_web_page (792775f)
• core: migrate core and CLI to enterprise parameters (68221f0)
• Create GEPARootAgentOptimizer (654145a)
• eval: expose user_simulator_config in generate_responses (e7a673c)
• gemma4: support Gemma4 in Gemini (573f043)
• integrations: Add E2BEnvironment for remote sandbox workspaces (92d608f)
• labs: add experimental Antigravity SDK agent wrapper (4cb27fd)
• lazily initialize the Vertex AI client in GCPSkillRegistry, and fix the import path for vertexai (65dca53)
• live: Handle input transcription differently for Gemini Live 3.1 models (048deea)
• live: support Live API translation config in RunConfig (463040f)
• Migrate McpToolset to AsyncAuthorizedSession for mTLS support (fe497a4)
• plugins: ADK 2.0 minimum producer cut for the BigQuery Agent Analytics plugin (e2676fc)
• report cached token counts for Anthropic and OpenAI models (b15c8a0)
• telemetry: support per-request OpenTelemetry configuration (abcaa08)
• Update gcp_auth client UI to support Remote Agents (57bdecf)
• utils: add GOOGLE_GENAI_USE_ENTERPRISE env var with deprecation fallback (4e85e9c)

Bug Fixes

• a2a: Preserve execution metadata in final events (e90b119)
• a2a: render HITL interrupt when prompt is in a data part (b9e7fca)
• a2a: set final=True for error TaskStatusUpdateEvent in event_converter (5efe53d)
• a2a: suppress part_metadata in Vertex AI mode (065f4ae)
• add a2a as a required dependency for agent_engine deployment (d2ebacb)
• adk: propagate exceptions from run_node in standalone mode (63841c3)
• adk: propagate isolation_scope to prevent history filtering loops (f39d75b)
• agents: await cancelled tasks in _merge_agent_run_pre_3_11 to prevent aclose() RuntimeError (9310ba7)
• api-registry to fetch all services (81b8067), closes #5478
• artifacts: Support nested API names (b99546b)
• auth: handle missing client-credentials scopes safely (a546bcf), closes #5345
• avoid UserWarning in _build_response_log when response has funct… (f022307)
• call to sanitize schema for complex union types (9808451)
• ci: add repository check to prevent workflows from running on forks (90bd38f)
• ci: Resolve missing sqlalchemy error in adk_release_analyzer (107dc38)
• cli: Serialize LiteLlm graph models safely (c1e852f)
• conformance: normalize tool declarations in replay verification (dd97e76)
• Default subagents to chat mode in build_node (ad560ce)
• deps: Require otel google-genai instrumentor >=0.7b1 for genai 2.x (2b8c80c)
• eval: handle failed inference results without invocations (9a6cf60)

... (truncated)

Changelog

Sourced from google-adk's changelog.

2.3.0 (2026-06-17)

Features

• Add async and concurrency guidelines to ADK Style Guide (66e00db)
• add create_http_options to ContextCacheConfig for cache creation timeout (ffc9677), closes #4703
• add GCS first party toolset to ADK integrations (fb19e1a)
• Add log_level option for adk run CLI (1ac69a9)
• Add mTLS support in AgentRegistry client (03671c6)
• add request timeout to load_web_page (792775f)
• core: migrate core and CLI to enterprise parameters (68221f0)
• Create GEPARootAgentOptimizer (654145a)
• eval: expose user_simulator_config in generate_responses (e7a673c)
• gemma4: support Gemma4 in Gemini (573f043)
• integrations: Add E2BEnvironment for remote sandbox workspaces (92d608f)
• labs: add experimental Antigravity SDK agent wrapper (4cb27fd)
• lazily initialize the Vertex AI client in GCPSkillRegistry, and fix the import path for vertexai (65dca53)
• live: Handle input transcription differently for Gemini Live 3.1 models (048deea)
• live: support Live API translation config in RunConfig (463040f)
• Migrate McpToolset to AsyncAuthorizedSession for mTLS support (fe497a4)
• plugins: ADK 2.0 minimum producer cut for the BigQuery Agent Analytics plugin (e2676fc)
• report cached token counts for Anthropic and OpenAI models (b15c8a0)
• telemetry: support per-request OpenTelemetry configuration (abcaa08)
• Update gcp_auth client UI to support Remote Agents (57bdecf)
• utils: add GOOGLE_GENAI_USE_ENTERPRISE env var with deprecation fallback (4e85e9c)

Bug Fixes

• a2a: Preserve execution metadata in final events (e90b119)
• a2a: render HITL interrupt when prompt is in a data part (b9e7fca)
• a2a: set final=True for error TaskStatusUpdateEvent in event_converter (5efe53d)
• a2a: suppress part_metadata in Vertex AI mode (065f4ae)
• add a2a as a required dependency for agent_engine deployment (d2ebacb)
• adk: propagate exceptions from run_node in standalone mode (63841c3)
• adk: propagate isolation_scope to prevent history filtering loops (f39d75b)
• agents: await cancelled tasks in _merge_agent_run_pre_3_11 to prevent aclose() RuntimeError (9310ba7)
• api-registry to fetch all services (81b8067), closes #5478
• artifacts: Support nested API names (b99546b)
• auth: handle missing client-credentials scopes safely (a546bcf), closes #5345
• avoid UserWarning in _build_response_log when response has funct… (f022307)
• call to sanitize schema for complex union types (9808451)
• ci: add repository check to prevent workflows from running on forks (90bd38f)
• ci: Resolve missing sqlalchemy error in adk_release_analyzer (107dc38)
• cli: Serialize LiteLlm graph models safely (c1e852f)
• conformance: normalize tool declarations in replay verification (dd97e76)
• Default subagents to chat mode in build_node (ad560ce)
• deps: Require otel google-genai instrumentor >=0.7b1 for genai 2.x (2b8c80c)
• eval: handle failed inference results without invocations (9a6cf60)

... (truncated)

Commits

• a2bc0d8 chore: update last-release-sha for next release
• e4f23de chore(release/candidate): release 2.3.0 (#6150)
• 0cb4c81 fix(skills): enforce utf-8 encoding when materializing skill files on Windows
• 81b8067 fix: api-registry to fetch all services
• 910e1c1 fix: prevent ReDoS in code block extraction
• 5cfef01 fix(eval): handle unevaluated final response v2 results
• a546bcf fix(auth): handle missing client-credentials scopes safely
• 4340208 fix: remove live event buffering in runner
• 054da5d fix(planners): keep all leading parallel function calls
• 9808451 fix: call to sanitize schema for complex union types
• Additional commits viewable in compare view

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