Publish to PyPI via gh actions

.github/workflows/publish.yml

@@ -0,0 +1,35 @@
+name: Publish
+
+on:
+  push:
+    tags:
+      - "v*.*.*" # Triggers when a tag starting with 'v' followed by version numbers is pushed
+
+jobs:
+  build-and-publish:
+    name: Build and Publish to PyPI
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Python 3.10
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.10"
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install setuptools wheel twine
+
+      - name: Build package
+        run: |
+          python setup.py sdist bdist_wheel
+
+      - name: Publish package to PyPI
+        env:
+          TWINE_USERNAME: "__token__"
+          TWINE_PASSWORD: ${{ secrets.PYPI_API_TOKEN }}
+        run: |
+          twine upload dist/*

CHANGELOG.md

@@ -6,6 +6,10 @@ The format is (loosely) based on [Keep a Changelog](http://keepachangelog.com/)
 
 ## [Unreleased]
 
+### Added
+
+- Added publish.yml to automatically publish new releases to PyPI [#236](https://github.com/stac-utils/stac-validator/pull/236)
+
 ## [v3.4.0] - 2024-10-08
 
 ### Added