New test workflow.

Fixes #1, #2, #3.

Author: desrosj

.github/workflows/close-pulls.yml

@@ -0,0 +1,47 @@
+name: Close Pull Requests
+
+on:
+  push:
+    branches:
+      - 'test-close-prs'
+
+jobs:
+  close-prs:
+    name: Close Pull Requests on Push
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+
+      - name: Parse commit message
+        id: parse-commit
+        run: |
+          COMMIT_MESSAGE="${{ github.event.head_commit.message }}"
+          FIXES_LIST=$(echo "$COMMIT_MESSAGE" | grep -oP '(?<=Fixes )#\d+(, #\d+)*' | grep -oP '\d+')
+          echo "fixes_list=$FIXES_LIST" >> $GITHUB_OUTPUT
+
+      - name: Print fixes list for debugging
+        run: |
+          echo "Fixes list: ${{ steps.parse-commit.outputs.fixes_list }}"
+
+      - name: Find pull requests
+        id: pr-results
+        uses: actions/github-script@v7
+        with:
+          script: |
+            const fixesList = "${{ steps.parse-commit.outputs.fixes_list }}".split('\n');
+            let relatedPRs = [];
+
+            for (const value of fixesList) {
+              const query = `is:pr is:open repo:WordPress/wordpress-develop in:body https://core.trac.wordpress.org/ticket/${value}`;
+              const result = await github.rest.search.issuesAndPullRequests({ q: query });
+              relatedPRs = relatedPRs.concat(result.data.items.map(pr => ({
+                owner: 'wordpress',
+                repo: pr.repository_url.split('/').slice(-2).join('/'),
+                number: pr.number
+              })));
+            }
+
+            console.log(relatedPRs);
+            return relatedPRs;