[Maint] Updates action for the project for workflows

.github/workflows/add_to_octokit_project.yml

@@ -0,0 +1,19 @@
+name: Add PRs and issues to Octokit org project
+
+on:
+  issues:
+    types: [reopened, opened]
+  pull_request:
+    types: [reopened, opened]
+
+jobs:
+  add-to-project:
+    name: Add issue to project
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/add-to-project@v0.4.0
+        with:
+          project-url: https://github.com/orgs/octokit/projects/10
+          github-token: ${{ secrets.OCTOKITBOT_PROJECT_ACTION_TOKEN }}
+          labeled: 'Status: Stale'
+          label-operator: NOT