ci: Build tweak

Author: a.b.christie

.github/workflows/build.yaml

@@ -29,16 +29,13 @@ on:
   push:
     branches-ignore:
     - 'master'
-  pull_request:
-    branches:
-    - 'master'
 
 jobs:
   build:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
     - name: Build sql-backup
       uses: docker/build-push-action@v6
       with: