Merge pull request #1353 from alphagov/pp-14177/update-to-use-reusable-workflow

[PP-14177] Change to use reusable workflow

Author: jfharden

.github/workflows/prevent-merge-if-release-open.yml

@@ -8,25 +8,5 @@ permissions:
 
 jobs:
   check_merge:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Check for unmerged release
-        id: check_pr
-        uses: actions/github-script@60a0d83039c74a4aee543508d2ffcb1c3799cdea  # v7.0.1
-        env:
-          THIS_PR_NUMBER: ${{ github.event.pull_request.number }}
-        with:
-          github-token: ${{ secrets.GITHUB_TOKEN }}
-          script: |
-            const THIS_PR_NUMBER = Number(process.env.THIS_PR_NUMBER)
-            const prs = await github.rest.pulls.list({
-              owner: context.repo.owner,
-              repo: context.repo.repo,
-              state: 'open'
-            })
-
-            const openRelease = prs.data.find(pr => pr.user.login === 'alphagov-pay-ci-concourse' && pr.state === 'open' && pr.number !== THIS_PR_NUMBER)
-
-            if (openRelease) {
-              core.setFailed(`There is an unmerged release PR, please merge it before merging this PR. \n PR Link: ${openRelease.html_url}`)
-            }
+    uses: alphagov/pay-ci/.github/workflows/_prevent-merge-if-automated-release-open.yml@master
+    secrets: inherit # pragma: allowlist secret