add deploy-github-release workflow

.github/workflows/tests.yml

@@ -110,3 +110,20 @@ jobs:
         fi
         twine check dist/*
         twine upload dist/*
+
+    deploy-github-release:
+      # only deploy on tags, see https://stackoverflow.com/a/58478262/1320237
+      if: startsWith(github.ref, 'refs/tags/v')
+      needs:
+        - run-tests
+      runs-on: ubuntu-latest
+      environment:
+        name: github-release
+      steps:
+        - uses: actions/checkout@v2
+        - name: create release
+          uses: elgohr/Github-Release-Action@v4
+          env:
+            GITHUB_TOKEN: ${{ secrets.RELEASE_TOKEN }}
+          with:
+            title: ${{ github.ref_name }}

CHANGES.rst

@@ -16,7 +16,9 @@ Breaking changes:
 
 New features:
 
-- ...
+- icalendar releases are deployed to Github releases
+  Fixes: #563
+  [jacadzaca]
 
 Bug fixes: