Add release workflow

Author: vweevers

.github/workflows/release.yml

@@ -0,0 +1,17 @@
+name: Release
+on:
+  push:
+    tags: ['*']
+permissions:
+  contents: write
+jobs:
+  release:
+    name: Release
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Create GitHub release
+        uses: docker://antonyurchenko/git-release:v4
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/test.yml

@@ -1,5 +1,7 @@
 name: Test
 on: [push, pull_request]
+permissions:
+  contents: read
 jobs:
   test:
     strategy: