Add github action to update HLTB API url

.github/workflows/update-hltb-api-url.yml

@@ -0,0 +1,36 @@
+name: Update HowLongToBeat API URL
+
+on:
+  workflow_dispatch:
+
+permissions:
+  contents: write
+
+jobs:
+  update-hltb-api-url:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Install uv
+        uses: astral-sh/setup-uv@v6.7.0
+
+      - name: Install python
+        run: |
+          uv python install 3.13
+
+      - name: Install dependencies
+        run: |
+          uv sync
+
+      - name: Run HLTB API URL discovery script
+        run: |
+          uv run python backend/utils/update_hltb_api_url.py
+
+      - name: Commit and push changes
+        uses: EndBug/add-and-commit@v9
+        with:
+          add: backend/handler/metadata/fixtures/hltb_api_url
+          message: "Update HLTB API URL [skip CI]"
+          push: true