Change key4hep-build workflow triggers; previous commit: Add a key4hep build workflow; previous commit: Update pre-commit license year; previous commit: Update license year; previous commit: Fix wrong value for a test

Author: jmcarcell

.github/workflows/key4hep-build.yaml

@@ -2,6 +2,9 @@ name: Key4hep build
 
 on:
   push:
+    branches:
+    - main
+  pull_request:
   workflow_dispatch:
 
 jobs:
@@ -13,7 +16,7 @@ jobs:
       fail-fast: false
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - uses: key4hep/key4hep-actions/key4hep-build@main
       with:
         build_type: ${{ matrix.build_type }}