OneConfig v1 branches don't work

[Kathund]

project jdk 21
gradle jdk 21
mc client task jdk 21

Execution failed for task ':compileJava'.
> Compilation failed; see the compiler output below.
  /home/kathund/github/Kathclient/build/bloom/main/java/org/polyfrost/example/client/ExampleCommand.java:17: error: annotation interface not applicable to this kind of declaration
      @Command
      ^
  1 error

* Try:
> Check your code and dependencies to fix the compilation error(s)
> Run with --scan to get full insights.

BUILD FAILED in 16s

using https://github.com/Polyfrost/OneConfigExampleMod/tree/modern-fabric

https://discord.com/channels/1002229552921202759/1143261334100775023/1459494692638031883