bump-versions adds regen case conversion and includes Godot, regression tests

[rekhoff]

Description of Changes

This addresses issue #5121 by updating the bump-versions cargo command to include:

• Regenerating case conversion test bindings to update embedded CLI version
• Updating the version in the Godot SDK's .csproj
• Updating the version in the 2 republishing tests in C# regression tests' .csproj

API and ABI breaking changes

No API or ABI changes

Expected complexity level and risk

1 - Small and strait forward

Testing

• Ran cargo bump-versions --all 2.3.0-test --accept-snapshots locally from the root of the repo, and confirmed that ~25 files being modified.

• 22 where related to the version bump.
• 3 files in the case-conversion-test-client typescript module bindings where updated as part of the regenerating steps.