Update license tests automation (#174)

# Description
Run license tests on PR to `master`

# Issues
Closes #128

# Other Notes
<!-- Note any breaking changes, WIP changes, requests for input, etc.
here -->

Co-authored-by: Daniel McKnight <[email protected]>

.github/workflows/license_tests.yml

@@ -2,7 +2,9 @@ name: Run License Tests
 on:
   push:
   workflow_dispatch:
-
+  pull_request:
+    branches:
+      - master
 jobs:
   license_tests:
     uses: neongeckocom/.github/.github/workflows/license_tests.yml@master