Add update-data workflow

.github/workflows/update-data.yml

@@ -0,0 +1,35 @@
+name: "Update Data Branch"
+
+on:
+  workflow_dispatch:
+
+jobs:
+  update-data:
+    runs-on: "ubuntu-latest"
+    steps:
+      - uses: "actions/checkout@v4"
+        with:
+          ref: docs-data
+
+      - name: "Set up Python"
+        uses: "actions/setup-python@v5"
+        with:
+          python-version: "3.11"
+
+      - name: "Install System dependencies"
+        run: |
+          xargs sudo apt -y install < requirements_system.txt
+
+      - name: "Install Python dependencies"
+        run: |
+          pip install --upgrade pip
+          pip install -r requirements_python.txt
+
+      # experiments with the deps to get it working
+      # - name: Setup tmate session
+      #   uses: mxschmitt/action-tmate@v3
+
+      - name: "Generate, commit and push updated openapi specs"
+        run: |
+          python -m pulp_docs.openapi data/openapi_json/ -l pulp_ostree
+          # ./update-data.sh