chore(ci): setup automated release workflow

Signed-off-by: Frost Ming <me@frostming.com>

.github/workflows/release.yml

@@ -0,0 +1,35 @@
+name: Release
+
+on:
+  push:
+    tags:
+      - "*"
+
+jobs:
+  build-package:
+    name: Build & inspect our package.
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - uses: hynek/build-and-inspect-python-package@v2
+
+  release-pypi:
+    name: Publish released package to pypi.org
+    permissions:
+      id-token: write
+    environment: release
+    runs-on: ubuntu-latest
+    needs: build-package
+
+    steps:
+      - name: Download packages built by build-and-inspect-python-package
+        uses: actions/download-artifact@v4
+        with:
+          name: Packages
+          path: dist
+
+      - name: Upload package to PyPI
+        uses: pypa/gh-action-pypi-publish@release/v1