Merge pull request #620 from instructlab/revert-610

Revert "test: fix e2e target"

Author: nathan-weinberg

.github/workflows/e2e-nvidia-l40s-x4-sdk.yml

@@ -3,10 +3,8 @@
 name: E2E (NVIDIA L40S x4) SDK Test
 
 on:
-  # using this rather than pull_request because this workflow
-  # needs to run in the context of the base branch (main) and
-  # access the repo's secrets to start the AWS instances.
-  pull_request_target:
+  # only run on PRs that touch certain regex paths
+  pull_request:
     branches:
       - main
     paths: