Shirt size labeling for PRs (#2467)

Co-authored-by: Reinier van der Leer <github@pwuts.nl>

.github/workflows/pr-label.yml

@@ -26,3 +26,22 @@ jobs:
           repoToken: "${{ secrets.GITHUB_TOKEN }}"
           commentOnDirty: "This pull request has conflicts with the base branch, please resolve those so we can evaluate the pull request."
           commentOnClean: "Conflicts have been resolved! 🎉 A maintainer will review the pull request shortly."
+
+  size:
+    if: ${{ github.event_name == 'pull_request_target' }}
+    permissions:
+      pull-requests: write
+    runs-on: ubuntu-latest
+    steps:
+      - uses: codelytv/pr-size-labeler@v1.7.0
+        with:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          s_label: "size/s"
+          s_max_size: "10"
+          m_label: "size/m"
+          m_max_size: "50"
+          l_label: "size/l"
+          l_max_size: "200"
+          xl_label: "size/xl"
+          fail_if_xl: "false"
+          github_api_url: "api.github.com"