ci: publish to PyPI on version tags

.github/workflows/release.yml

@@ -0,0 +1,28 @@
+name: Release to PyPI
+
+on:
+  push:
+    tags:
+      - "django-nepali-payment/v*"
+  workflow_dispatch:
+
+permissions:
+  id-token: write
+  contents: read
+
+jobs:
+  release:
+    name: Build and publish to PyPI
+    runs-on: ubuntu-latest
+    environment: release
+    steps:
+      - uses: actions/checkout@v4
+      - uses: astral-sh/setup-uv@v5
+        with:
+          python-version: "3.12"
+      - name: Build sdist and wheel
+        run: uv build
+      - name: Publish to PyPI
+        uses: pypa/gh-action-pypi-publish@release/v1
+        with:
+          packages-dir: dist/