Version 15:10.3-2021.07-4 of gcc-arm-none-eabi is marked for autoremoval from testing on Thu 30 Jun 2022. It depends (transitively) on nvidia-graphics-drivers-tesla-470, affected by #1011146. You should try to prevent the removal by fixing these RC bugs.
Depends on packages which need a new maintainer
normal
The packages that gcc-arm-none-eabi depends on which need a new maintainer are: