sync with the latest roxygen release and r-lib github actions

.github/workflows/R-CMD-check.yaml

@@ -30,15 +30,14 @@ jobs:
       R_KEEP_PKG_SOURCE: yes
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - uses: r-lib/actions/setup-pandoc@v2
 
       - uses: r-lib/actions/setup-r@v2
         with:
           r-version: ${{ matrix.config.r }}
           http-user-agent: ${{ matrix.config.http-user-agent }}
-          use-public-rspm: true
 
       - uses: r-lib/actions/setup-r-dependencies@v2
         with:

.github/workflows/pkgdown.yaml

@@ -4,7 +4,6 @@ on:
   push:
     branches: [main, master]
   pull_request:
-    branches: [main, master]
   release:
     types: [published]
   workflow_dispatch:
@@ -24,13 +23,11 @@ jobs:
     permissions:
       contents: write
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - uses: r-lib/actions/setup-pandoc@v2
 
       - uses: r-lib/actions/setup-r@v2
-        with:
-          use-public-rspm: true
 
       - uses: r-lib/actions/setup-r-dependencies@v2
         with:
@@ -43,7 +40,7 @@ jobs:
 
       - name: Deploy to GitHub pages 🚀
         if: github.event_name != 'pull_request'
-        uses: JamesIves/github-pages-deploy-action@v4.5.0
+        uses: JamesIves/github-pages-deploy-action@d92aa235d04922e8f08b40ce78cc5442fcfbfa2f # v4.8.0
         with:
           clean: false
           branch: gh-pages

DESCRIPTION

@@ -12,8 +12,6 @@ License: GPL-3
 Encoding: UTF-8
 URL: https://stscl.github.io/sdsfun/, https://github.com/stscl/sdsfun
 BugReports: https://github.com/stscl/sdsfun/issues
-Roxygen: list(markdown = TRUE)
-RoxygenNote: 7.3.3
 Depends: 
     R (>= 4.1.0)
 LinkingTo: 
@@ -37,3 +35,5 @@ Suggests:
     terra,
     testthat (>= 3.0.0)
 Config/testthat/edition: 3
+Config/roxygen2/markdown: TRUE
+Config/roxygen2/version: 8.0.0

R/zzz.R

@@ -1,3 +1,3 @@
-.onLoad = function(...) {
-  loadNamespace("Rcpp")
+.onLoad = \(...) {
+  requireNamespace("Rcpp", quietly = TRUE)
 }