add action to publish to pypi

Author: serprex

Diff for: .github/workflows/publish.yml

@@ -0,0 +1,19 @@
+on:
+  workflow_dispatch:
+jobs:
+  publish:
+    name: Upload release to PyPI
+    runs-on: ubuntu-latest
+    environment:
+      name: pypi
+      url: https://pypi.org/p/mcp-clickhouse
+    permissions:
+      id-token: write
+    steps:
+      - uses: actions/checkout@v4
+      - uses: astral-sh/setup-uv@v5
+      - run: uv python install
+      - run: uv build
+
+    - name: Publish package distributions to PyPI
+      uses: pypa/gh-action-pypi-publish@release/v1