versionBumpGuide.txt

When updating this project version, here the list of strings to changes:
- src/version.h: GODOT_KOTLIN_VERSION.
- kt/gradle/libs.versions.toml: godotKotlinJvm, kotlin and godot variables.
- docs/src/index.md: kotlin version, Full version, Module Version and Supported Godot Version fields in "Versioning" block.
- config.py: Change the String to "jvm-x.x.x".

If you've updated the kotlin version, ensure to check if the R8 version is compatible with the chosen kotlin version! Then update the required minimum build tool versions by doing a search and replace on the following strings:
- `android-35`
- `35.0.0`