Merge pull request #8 from opendatahub-io/gha-release-branches

fix(test): Add GH unit test runs to release branches

.github/workflows/unit_tests.yml

@@ -10,6 +10,7 @@ on:
   pull_request:
     branches:
       - 'main'
+      - 'release-*'
   workflow_dispatch:
 # Jobs run concurrently and steps run sequentially within a job.
 # jobs: linter and cpu_tests. Add more jobs/steps as required.