ci: only lint/test PRs (#2437)

.github/workflows/ci.yml

@@ -11,6 +11,7 @@ on:
 jobs:
   test:
     name: Lint & Test Build
+    if: github.event_name == 'pull_request'
     runs-on: ubuntu-20.04
     container: node:16.14-alpine
     steps:
@@ -27,7 +28,6 @@ jobs:
 
   build_and_push:
     name: Build & Publish Docker Images
-    needs: test
     if: github.ref == 'refs/heads/develop' && !contains(github.event.head_commit.message, '[skip ci]')
     runs-on: ubuntu-20.04
     steps: