ci: added gh workflow that adds 'contributor' label to PRs/Issues (#11118)

Co-authored-by: Aiden Cline <[email protected]>

.github/workflows/contributors-label.yml

@@ -0,0 +1,33 @@
+name: Add Contributors Label
+
+on:
+  # issues:
+  #   types: [opened]
+
+  pull_request_target:
+    types: [opened]
+
+jobs:
+  add-contributor-label:
+    runs-on: ubuntu-latest
+    permissions:
+      pull-requests: write
+      issues: write
+    
+    steps:
+      - name: Add Contributor Label
+        uses: actions/github-script@v8
+        with:
+          script: |
+            const isPR = !!context.payload.pull_request;
+            const issueNumber = isPR ? context.payload.pull_request.number : context.payload.issue.number;
+            const authorAssociation = isPR ? context.payload.pull_request.author_association : context.payload.issue.author_association;
+
+            if (authorAssociation === 'CONTRIBUTOR') {
+              await github.rest.issues.addLabels({
+                owner: context.repo.owner,
+                repo: context.repo.repo,
+                issue_number: issueNumber,
+                labels: ['contributor']
+              });
+            }