ci: add release workflow (#4)

Author: hknutsen

.github/workflows/build.yml

@@ -6,8 +6,8 @@ on:
       - main
 
 jobs:
-  build:
-    name: Build
+  bicep-build:
+    name: Bicep Build
     runs-on: ubuntu-latest
     env:
       BICEP_FILE_PATH: main.bicep

.github/workflows/release.yml

@@ -0,0 +1,18 @@
+name: Release
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  release-please:
+    name: Release Please
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write # Required to update changelog file
+      pull-requests: write # Required to create release PRs
+    steps:
+      - uses: googleapis/release-please-action@7987652d64b4581673a76e33ad5e98e3dd56832f
+        with:
+          release-type: simple