Remove dependency ignore for gradle-changelog-plugin for 2.x versions; Comment out 'merge when passing' label for dependabot PRs; we have approve-and-auto-merge-dependabot-pull-requests.yml workflow that should handle this for us.; Enabling auto-merge on gradle wrapper updates.

Remove dependency ignore for gradle-changelog-plugin for 2.x versions; Comment out 'merge when passing' label for dependabot PRs; we have approve-and-auto-merge-dependabot-pull-requests.yml workflow that should handle this for us.; Enabling auto-merge on gradle wrapper updates. #607