Add concurrency group to e2e test workflows to cancel redundant runs (#32)

Author: creydr

.github/workflows/test-e2e-bundle.yml

@@ -4,6 +4,10 @@ on:
   push:
   pull_request:
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   test-bundle-e2e:
     name: Bundle E2E Tests

.github/workflows/test-e2e.yml

@@ -4,6 +4,10 @@ on:
   push:
   pull_request:
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   test-e2e:
     name: E2E Tests