tree hygiene

Workflow runs for tree hygiene

• Read a declaration's family from the guard it sits under

  completed successfully:
  tree hygiene#3:Pull request#109openedbyestebanzimanyi
  estebanzimanyi:fix/family-from-the-guard-not-only-the-header

  Aug 31, 202611s
  More actions for workflow run 3

• Refuse the tree states a green build cannot see

  completed successfully:
  tree hygiene#2:Commitbbd4fb4pushedbyestebanzimanyi
  master

  Aug 31, 202611s
  More actions for workflow run 2

• Refuse the tree states a green build cannot see

  completed successfully:
  tree hygiene#1:Pull request#108openedbyestebanzimanyi
  estebanzimanyi:ci/tree-hygiene-gate

  Aug 31, 202612s
  More actions for workflow run 1