Updated rules for D numbers fall 2021

[eloekset]

Ref issue in Java implementation: bekkopen/NoCommons#54

Tests for D numbers should be updated to support the new D numbers in use from Nov 16th 2021.
Ref documentation at skatteetaten: https://skatteetaten.github.io/folkeregisteret-api-dokumentasjon/sporsmal-og-svar/

NoCommonsNET/source/NoCommons.Tests/Person/FodselsnummerTests.cs

Line 139 in 5fb413c

public void testIsDNumber() {

[eloekset]

It looks like testIsDNumber() doesn't need an update, but the method getCentury() must be updated for the ranges

• 200-499
• 600-999

[eloekset]

Java-varianten har implementert denne endringen og releaset den i februar 2022. https://github.com/bekkopen/NoCommons/releases/tag/0.13.0