v5.0.0-alpha.6

This version is probably one of the last alpha before going -rc.

• [NEW] Add support for @ignore (https://github.com/apollographql/apollo-kotlin/pull/6900)
• [FIX] Gradle plugin: set org.gradle.category attribute and use reverse DNS naming to avoid name clashes (https://github.com/apollographql/apollo-kotlin/pull/6886)
• [FIX] Fix validation of @oneOf input objects. (https://github.com/apollographql/apollo-kotlin/pull/6894)
• [DOWNGRADE] Downgrade compileSdk version to 35 for better compatibility (https://github.com/apollographql/apollo-kotlin/pull/6899, https://github.com/apollographql/apollo-kotlin/pull/6902)

Many thanks to @eboudrant for the contributions in this release 💙