Add GitHub items

.github/workflows/update_top_ranking_issues.yml

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+on:
+  schedule:
+    - cron: "0 */12 * * *"
+  workflow_dispatch:
+
+jobs:
+  update_top_ranking_issues:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-python@v4
+        with:
+          python-version: "3.10.5"
+          architecture: "x64"
+          cache: "pip"
+      - run: pip install -r scripts/update_top_ranking_issues/requirements.txt
+      - run: python scripts/update_top_ranking_issues/main.py --github-token ${{ secrets.GITHUB_TOKEN }} --prod