ci: add action file to build python package

Author: rsbh

.github/workflows/publish-python.yml

@@ -0,0 +1,46 @@
+name: Build and Publish Python Package
+
+on:
+  push:
+    branches:
+      - main
+      - feat_add_python_client
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        working-directory: python
+
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0 # Fetch all history for git hash
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.11"
+
+      - name: Install buf
+        run: |
+          curl -sSL "https://github.com/bufbuild/buf/releases/download/v1.28.1/buf-Linux-x86_64.tar.gz" | tar -xz -C /usr/local --strip-components 1
+        working-directory: .
+
+      - name: Install Python dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install -e .
+
+      - name: Build Python package
+        run: proton-build --hash ${{ github.sha }}
+
+      - name: Build wheel
+        run: proton-publish
+
+      # - name: Upload wheel artifact
+      #   uses: actions/upload-artifact@v4
+      #   with:
+      #     name: python-wheel
+      #     path: python/dist/dist/*.whl