[gi-docgen] (7 commits) ...Merge branch 'check-ignore' into 'main'

[Emmanuele Bassi <ebassi src gnome org>]

Summary of changes:

  9876959... config: Add a condition for skipped symbols during check (*)
  5d78e80... check: Allow ignoring symbols (*)
  6fe52da... template: Fix typo in the function macro check (*)
  b016486... generate: Function macro arguments have no C type (*)
  eb6a0e1... docs: Update the check command documentation (*)
  fafe5ec... Handle return values consistently (*)
  32dfa8b... Merge branch 'check-ignore' into 'main'

(*) This commit already existed in another branch; no separate mail sent