release snapshot on commit to main

.github/workflows/maven.yml

@@ -4,8 +4,6 @@
 name: CI
 
 on:
-  push:
-    branches: [ main ]
   pull_request:
     branches: [ main ]
 

.github/workflows/snapshot.yml

@@ -4,6 +4,8 @@
 name: Publish a Snapshot
 
 on:
+  push:
+    branches: [ main ]
   workflow_dispatch:
     inputs:
       image_tags:
@@ -40,7 +42,7 @@ jobs:
         env:
           GITHUB_ACTOR: ${{ github.actor }}
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          IMAGE_TAGS: ${{ github.event.inputs.image_tags }}
+          IMAGE_TAGS: ${{ github.event_name == 'workflow_dispatch' && github.event.inputs.image_tags || 'latest,snapshot' }}
           MAVEN_USERNAME: ${{ secrets.OSSRH_USERNAME }}
           MAVEN_PASSWORD: ${{ secrets.OSSRH_PASSWORD }}
           OSSRH_GPG_SECRET_KEY_PASSWORD: ${{ secrets.OSSRH_GPG_SECRET_KEY_PASSWORD }}