Fix for community raised PRs Snyk Failure (#777)

### Merged Contributions
This pull request includes contributions from @yasuaki640 (PR #773), who
helped fix job test failures.

### Changes

- Fixed pest failure.
- Added logic to mitigate failure of Snyk Authentication on Community
Raised PRs.

### References

NA

### Testing

NA

### Contributor Checklist

- [x] I agree to adhere to the [Auth0 General Contribution
Guidelines](https://github.com/auth0/open-source-template/blob/master/GENERAL-CONTRIBUTING.md).
- [x] I agree to uphold the [Auth0 Code of
Conduct](https://github.com/auth0/open-source-template/blob/master/CODE-OF-CONDUCT.md).

.github/workflows/snyk.yml

@@ -11,6 +11,7 @@ on:
       - main
   schedule:
     - cron: "30 0 1,15 * *"
+  workflow_dispatch:
 
 permissions:
   contents: read

tests/Unit/API/Management/JobsTest.php

@@ -28,7 +28,7 @@
     fwrite($import, '[{"email":"[email protected]","email_verified":true,"app_metadata":{"roles":["admin","super"],"plan":"premium"},"user_metadata":{"theme":"dark"}}]');
 
     $path = stream_get_meta_data($import)['uri'];
-    $keyOffset = 3;
+    $keyOffset = 2;
 
     $this->endpoint->createImportUsers(
         $path,