ci: add publish workflow

Author: zobweyt

.github/workflows/publish.yaml

@@ -0,0 +1,83 @@
+name: Publish Python distribution to PyPI and TestPyPI
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  build:
+    name: Build distribution
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v5
+      with:
+        persist-credentials: false
+
+    - name: Setup just
+      uses: extractions/setup-just@v3
+      with:
+        just-version: 1.38.0
+
+    - name: Setup uv
+      uses: astral-sh/setup-uv@v6
+      with:
+        version: 0.6.4
+
+    - name: Build a binary wheel and a source tarball
+      run: just build
+
+    - name: Store the distribution packages
+      uses: actions/upload-artifact@v4
+      with:
+        name: python-package-distributions
+        path: dist/
+
+  publish-to-pypi:
+    name: >-
+      Publish Python distribution to PyPI
+    if: startsWith(github.ref, 'refs/tags/')
+    needs:
+      - build
+    runs-on: ubuntu-latest
+    environment:
+      name: pypi
+      url: https://pypi.org/p/textcase
+    permissions:
+      id-token: write
+
+    steps:
+      - name: Download all the dists
+        uses: actions/download-artifact@v4
+        with:
+          name: python-package-distributions
+          path: dist/
+
+      - name: Publish distribution to PyPI
+        uses: pypa/gh-action-pypi-publish@release/v1
+
+  publish-to-testpypi:
+    name: Publish Python distribution to TestPyPI
+    needs:
+      - build
+    runs-on: ubuntu-latest
+
+    environment:
+      name: testpypi
+      url: https://test.pypi.org/p/textcase
+
+    permissions:
+      id-token: write
+
+    steps:
+      - name: Download all the dists
+        uses: actions/download-artifact@v4
+        with:
+          name: python-package-distributions
+          path: dist/
+
+      - name: Publish distribution to TestPyPI
+        uses: pypa/gh-action-pypi-publish@release/v1
+        with:
+          repository-url: https://test.pypi.org/legacy/