Always run the build workflow on PRs

.github/workflows/build.yaml

@@ -13,10 +13,6 @@ on:
     branches:
       - main
       - 'release/**'
-    paths:
-      - Dockerfile
-      - docker-bake.hcl
-      - .github/workflows/build.yaml
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
@@ -301,6 +297,8 @@ jobs:
       contents: read
       id-token: write
 
+    if: github.event_name != 'pull_request'
+
     steps:
       - name: Checkout the code
         uses: actions/checkout@v4.2.2