add github action workflow for pypi publishing

.github/dependabot.yml

@@ -0,0 +1,10 @@
+# Set update schedule for GitHub Actions
+
+version: 2
+updates:
+
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      # Check for updates to GitHub Actions every week
+      interval: "weekly"

.github/workflows/publish_to_pypi.yml

@@ -0,0 +1,38 @@
+name: Publish Python to PyPI
+
+on: push
+
+jobs:
+  build:
+    name: Build distribution
+    runs-on: ubuntu-latest
+    steps:
+    - name: Clone repository
+      uses: actions/checkout@v4
+    - name: Set up Python
+      uses: actions/setup-python@v5
+    - name: Install build
+      run: pip install build
+    - name: Build a binary wheel and a source tarball
+      run: python -m build
+    - name: Store the distribution packages
+      uses: actions/upload-artifact@v3
+      with:
+        name: python-package-distributions
+        path: dist/
+  publish-to-pypi:
+    name: Publish distribution to PyPI
+    runs-on: ubuntu-latest
+    environment:
+      name: pypi
+      url: https://pypi.org/p/${{ github.event.repository.name }}
+    permissions:
+      id-token: write
+    steps:
+    - name: Download all the dists
+      uses: actions/download-artifact@v3
+      with:
+        name: python-package-distributions
+        path: dist/      
+    - name: Publish package to PyPI
+      uses: pypa/gh-action-pypi-publish@release/v1

pyproject.toml

@@ -5,13 +5,13 @@ build-backend = "hatchling.build"
 [project]
 name = "pyncview"
 version = "0.99.38"
+readme = "README.md"
 dependencies = [
   "xmlplot>=0.9.28",
 ]
 authors = [
   {name = "Jorn Bruggeman", email = "[email protected]"}
 ]
-license = {file = "LICENSE"}
 description = "NetCDF viewer written in Python"
 requires-python = ">=3.8"
 classifiers = [