ci: release SNAPSHOT version after merging PRs to v6

Author: bevzzz

.github/workflows/create-release.yaml

@@ -1,14 +1,20 @@
 name: Create Release
 on:
   push:
-    # run only on tags
+      # Release a new version every time a v6 tag is pushed.
     tags:
-      - '**'
+      - '6.0.0-*'
+  pull_request:
+    # Release a new SNAPSHOT version every time a PR is merged to v6.
+    types: [closed]
+    branches: ['v6']
 
 jobs:
   release:
     name: Deploy
-    if: startsWith(github.ref, 'refs/tags')
+    if: >
+      (github.event_name == 'push' && startsWith(github.ref, 'refs/tags'))
+      || (github.event_name == 'pull_request' && github.event.pull_request.merged == true)
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
@@ -39,7 +45,7 @@ jobs:
           retention-days: 1
   gh-release:
     name: Create a GitHub Release
-    if: startsWith(github.ref, 'refs/tags')
+    if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags')
     runs-on: ubuntu-latest
     needs: [ release ]
     steps: