Update B9 Animation Modules for KSP 1.12.5

[Sean-Kenneth-Doherty]

Summary

• bump the source-owned KSP version target from 1.9.1 to 1.12.5
• bump the AVC metadata from 1.7.0 to 1.7.1 for the compatibility rebuild
• add a 1.7.1 changelog entry

Validation

• Confirmed this repo has no open issues or PRs and I did not find CONTRIBUTING, CODE_OF_CONDUCT, PR template, or .github workflow docs.
• python -m json.tool GameData/B9AnimationModules/B9AnimationModules.version
• MOD_VERSION=1.7.1 xbuild /p:Configuration=Release /p:ReferencePath="/home/sean/.local/share/Steam/steamapps/common/Kerbal Space Program/KSP_Data/Managed" B9AnimationModules.sln
  • Build succeeded with 1 existing Mono/xbuild TargetFrameworkVersion warning for v4.7.1, 0 errors.
• monodis --assembly GameData/B9AnimationModules/Plugins/B9AnimationModules.dll
  • Generated assembly version reports 1.7.1.0.

Notes

• The generated DLL/bin/obj outputs are ignored by this repository, so this PR only includes the source-owned metadata and changelog files.