ci: change to access private repo

Author: carlh98

.github/workflows/pr-review.yml

@@ -17,13 +17,21 @@ jobs:
         with:
           fetch-depth: 0
 
+      - name: Checkout pull-request-bot action
+        uses: actions/checkout@v4
+        with:
+          repository: nventive/pull-request-bot
+          ref: v2
+          token: ${{ secrets.GH_PAT }}
+          path: .github/actions/pull-request-bot
+
       - name: Set up Python
         uses: actions/setup-python@v5
         with:
           python-version: "3.11"
 
       - name: Run Pull Request Bot
-        uses: nventive/pull-request-bot@v2
+        uses: ./.github/actions/pull-request-bot
         with:
           api-key: ${{ secrets.ANTHROPIC_API_KEY }}
           config-path: "./pull-request-bot.json"