Enable separate validation on PR vs Push (#708)

* Enable separate validation on PR vs Push

* Enable separate validation on PR vs Push

Author: Ryan Lymburner

.github/workflows/e2e-test.yaml

@@ -3,9 +3,11 @@ permissions:
   id-token: write
   contents: read
 on:
-  merge_group:
-    branches: [ "main" ]
+  push:
+    branches:
+      - main
   workflow_dispatch:
+  workflow_call:
 jobs:
   e2e-test:
     runs-on: ubuntu-latest

.github/workflows/presubmit.yaml

@@ -1,8 +1,7 @@
 name: presubmit
 on:
-  pull_request:
-    branches: [ "main" ]
   workflow_dispatch:
+  workflow_call:
 jobs:
   golangci-lint:
     name: golangci-lint

.github/workflows/validate-merge-queue.yaml

@@ -0,0 +1,10 @@
+name: Validate code in the merge queue with e2e-test
+permissions:
+  id-token: write
+  contents: read
+on:
+  merge_group:
+    branches: [ "main" ]
+jobs:
+  validate:
+    uses: ./.github/workflows/e2e-test.yaml

.github/workflows/validate-pull-request.yaml

@@ -0,0 +1,6 @@
+name: Validate pull request with presubmit before putting into queue
+on:
+  pull_request:
+jobs:
+  validate:
+    uses: ./.github/workflows/presubmit.yaml