Actions: try disabling AppArmor (backport #12515)

[mergify]

To avoid running into this error:

ERROR: Operation {'runbindable'} cannot have a source. Source = AARE('/')

Relevant: actions/runner-images#10024.

---

This is an automatic backport of pull request #12515 done by Mergify.

[mergify]

Cherry-pick of ba8d7a8 has failed:

On branch mergify/bp/v4.0.x/pr-12515
Your branch is up to date with 'origin/v4.0.x'.

You are currently cherry-picking commit ba8d7a82dc.
  (fix conflicts and run "git cherry-pick --continue")
  (use "git cherry-pick --skip" to skip this patch)
  (use "git cherry-pick --abort" to cancel the cherry-pick operation)

Changes to be committed:
	modified:   .github/workflows/test-plugin-mixed.yaml
	modified:   .github/workflows/test-plugin.yaml

Unmerged paths:
  (use "git add/rm <file>..." as appropriate to mark resolution)
	deleted by us:   .github/workflows/test-make-target.yaml

To fix up this pull request, you can check it out locally. See documentation: https://docs.github.com/en/pull-requests/collaborating-with-pull-requests/reviewing-changes-in-pull-requests/checking-out-pull-requests-locally

[michaelklishin]

Will need a manual backport since v4.0.x currently uses Bazel.