test(CHANGELOG): add changelog: released entry changed label escape hatch for --allow-released-changes

Author: ErichDonGubler

.github/workflows/changelog.yml

@@ -10,6 +10,8 @@ on:
  - opened
  - synchronize
  - reopened
+ - labeled
+ - unlabeled
 
 env:
  #
@@ -42,6 +44,7 @@ jobs:
  with:
  fetch-depth: 0
 
+ # NOTE: Keep label name(s) in sync. with `xtask`'s implementation.
  - name: Run `cargo xtask changelog …`
  run: |
- cargo xtask changelog "origin/${{ github.event.pull_request.base.ref }}"
+ cargo xtask changelog "origin/${{ github.event.pull_request.base.ref }}" ${{ contains(github.event.pull_request.labels.*.name, 'changelog: released entry changed') && '--allow-released-changes' || '' }}