buildx failed with: ERROR: failed to solve: process "/bin/sh -c wget -O - https://apt.llvm.org/llvm-snapshot.gpg.key | apt-key add -" did not complete successfully: exit code: 2

The `set-output` command is deprecated and will be disabled soon. Please upgrade to using Environment Files. For more information see: https://github.blog/changelog/2022-10-11-github-actions-deprecating-save-state-and-set-output-commands/