chore: only require team approval for scripts/split-e2e-tests.ts (aws…

…-amplify#2479)

.github/CODEOWNERS

@@ -1,14 +1,20 @@
 # Data team has general approval permissions
 * @aws-amplify/amplify-data
 
+# Changes to this file requires admin approval
+/.github/CODEOWNERS @aws-amplify/amplify-data-admins
+
 # API approval - public surface and dependencies.
 **/API.md @aws-amplify/amplify-data-admins
 
 # Dependency Licensing approval
 dependency_licenses.txt @aws-amplify/amplify-data-admins
 
-# Changes to CI/CD scripts/buildspecs need admin approval
+# Changes to CI/CD scripts/buildspecs need admin approval, except as noted
+/codebuild_specs/ @aws-amplify/amplify-data-admins
 /scripts/ @aws-amplify/amplify-data-admins
 /shared-scripts.sh @aws-amplify/amplify-data-admins
-/codebuild_specs/ @aws-amplify/amplify-data-admins
+
+# Exceptions to CI/CD scripts/buildspecs
 /codebuild_specs/e2e_workflow.yml @aws-amplify/amplify-data
+/scripts/split-e2e-tests.ts @aws-amplify/amplify-data