[Github] Run failed: Labelling new pull requests

[Sirraide]

I’m getting some emails about a workflow failing on #115144:

• https://github.com/llvm/llvm-project/actions/runs/11847602248
• https://github.com/llvm/llvm-project/actions/runs/11850756309

CC @tstellar, @boomanaiden154

[boomanaiden154]

Seems like a permissions issue with the token. @tstellar or one of the other LLVM admins will probably have to regenerate the token.

[boomanaiden154]

This should be fixed now. It was a permissions issue according #build-systems on Discord.