fix: moved build jobs to correct dir (#168)

* moved build jobs to correct dir

* removed test job in build image

.github/workflows/pull-build-image.yaml

@@ -0,0 +1,18 @@
+name: Pull Build Image
+
+on:
+  pull_request_target:
+    types: [opened, edited, synchronize, reopened, ready_for_review]
+
+permissions:
+  id-token: write # This is required for requesting the JWT token
+  contents: read # This is required for actions/checkout
+
+jobs:
+  build:
+    uses: kyma-project/test-infra/.github/workflows/image-builder.yml@main
+    with:
+      name: eventing-publisher-proxy
+      dockerfile: Dockerfile
+      context: .
+      export-tags: true