Send stuff to $GITHUB_OUTPUT

Author: briandfoy

.github/workflows/closed_pull_request.yml

@@ -18,9 +18,8 @@ jobs:
     steps:
     - uses: actions/checkout@v3
     - run: |
-        perl .github/bin/labeler ${{ github.event.number }} remove >> closed-pr.out.txt
-        perl .github/bin/labeler ${{ github.event.number }} add 'Status: accepted' >> closed-pr.out.txt
-        cat closed-pr.out.txt
+        perl .github/bin/labeler ${{ github.event.number }} remove >> $GITHUB_OUTPUT
+        perl .github/bin/labeler ${{ github.event.number }} add 'Status: accepted' >> $GITHUB_OUTPUT
   rejected:
     if: github.event.pull_request.merged == false
     environment: housekeeping