Update dependency wpackagist-plugin/activitypub to v4.2.0

This MR contains the following updates:

Package	Type	Update	Change
wpackagist-plugin/activitypub (source)	require	minor	4.1.1 -> 4.2.0

---

Configuration

Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

Automerge: Disabled by config. Please merge this manually once you are satisfied.

Rebasing: Whenever MR becomes conflicted, or you tick the rebase/retry checkbox.

Ignore: Close this MR and you won't be reminded about this update again.

---

• If you want to rebase/retry this MR, check this box

---

This MR has been generated by Renovate Bot.

mentioned in issue #139

marked the checklist item If you want to rebase/retry this MR, check this box as completed

marked the checklist item If you want to rebase/retry this MR, check this box as incomplete

added 3 commits

• 0ffe3af0...051dafd9 - 2 commits from branch master
• d5803296 - Update dependency wpackagist-plugin/activitypub to v4.2.0

Compare with previous version

enabled an automatic merge when all merge checks for d5803296 pass

mentioned in commit a1a3fbd7

merged