Add workflow for automatic dependency update

.github/workflows/compile_requirements.yml

@@ -0,0 +1,53 @@
+name: Compile Requirements
+
+on:
+  push:
+    branches:
+      - main
+
+  schedule:
+    # https://docs.github.com/en/actions/using-workflows/events-that-trigger-workflows
+    # In a public repository, scheduled workflows are automatically disabled when no
+    # repository activity has occurred in 60 days
+    - cron: "5 6 * * 1-5" # At 06:05 on every day-of-week from Monday through Friday
+
+jobs:
+  compile-requirements:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+      pull-requests: write
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        with:
+          ssh-key: ${{ secrets.deploy_key }}
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.12"
+
+      - name: Install pip-tools
+        run: |
+          python -m pip install --upgrade pip
+          pip install pip-tools
+
+      - name: Upgrade dependencies and compile requirements file
+        run: |
+          pip-compile --output-file=requirements.txt pyproject.toml --upgrade
+
+      - name: Create Pull Request
+        uses: peter-evans/create-pull-request@v6
+        with:
+          commit-message: "GHA: Update dependencies"
+          title: Update dependencies
+          body: |
+            - Dependency updates
+
+            Auto-generated by [create-pull-request][1]
+
+            [1]: https://github.com/peter-evans/create-pull-request
+          branch: update-dependencies
+          labels: automated-pr
+          delete-branch: true