Add a workflow to add issues/PRs to projects. (pythonGH-94447)

* Add a workflow to add issues/PRs to projects.

* Apply suggestions from code review

Co-authored-by: CAM Gerlach <[email protected]>

Co-authored-by: CAM Gerlach <[email protected]>
(cherry picked from commit 5f2c91a)

Co-authored-by: Ezio Melotti <[email protected]>

Author: ezio-melotti

.github/workflows/project-updater.yml

@@ -0,0 +1,23 @@
+name: Update GH projects
+
+on:
+  issues:
+    types:
+      - opened
+      - labeled
+  pull_request:
+    types:
+      - opened
+      - labeled
+
+jobs:
+  add-to-project:
+    name: Add to the Release and Deferred Blocker project
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/[email protected]
+        with:
+          project-url: https://github.com/orgs/python/projects/2
+          github-token: ${{ secrets.ADD_TO_PROJECT_PAT }}
+          labeled: release-blocker, deferred-blocker
+          label-operator: OR