Delete old workflows runs

.github/workflows/delete-old-workflows-run.yaml

@@ -0,0 +1,25 @@
+name: Continuous integration
+
+on:
+  schedule:
+    - cron: '0 0 * * *'
+
+env:
+  HAS_SECRETS: ${{ secrets.HAS_SECRETS }}
+
+jobs:
+  build:
+    runs-on: ubuntu-20.04
+    timeout-minutes: 25
+    name: Continuous integration
+    if: "!startsWith(github.event.head_commit.message, '[skip ci] ')"
+
+    steps:
+      - name: Delete old workflow runs
+        uses: MajorScruffy/delete-old-workflow-runs@v0.3.0
+        with:
+          repository: mapfish/mapfish-print # replace this with your own repository
+          older-than-seconds: 43200000
+          #workflow: .github/workflows/main.yml
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}