chore: add a workflow to label internal contributors

Author: satya164

.github/workflows/contributor-label.yml

@@ -0,0 +1,51 @@
+name: Contributor Label
+
+on:
+  pull_request_target:
+    types: [opened, reopened]
+
+permissions:
+  issues: write
+  pull-requests: read
+
+jobs:
+  label:
+    name: Add contributor label
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/github-script@3a2844b7e9c422d3c10d287c895573f7108da1b3 # v9.0.0
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          script: |
+            const owner = context.repo.owner;
+            const repo = context.repo.repo;
+
+            let permission = 'none';
+
+            try {
+              const { data } = await github.rest.repos.getCollaboratorPermissionLevel({
+                owner,
+                repo,
+                username: context.payload.pull_request.user.login,
+              });
+
+              permission = data.permission;
+            } catch (error) {
+              if (error.status !== 404) {
+                throw error;
+              }
+            }
+
+            if (
+              !['MEMBER', 'OWNER'].includes(context.payload.pull_request.author_association) &&
+              !['admin', 'maintain', 'write'].includes(permission)
+            ) {
+              return;
+            }
+
+            await github.rest.issues.addLabels({
+              owner,
+              repo,
+              issue_number: context.issue.number,
+              labels: ['Contributor: Internal'],
+            });