change workflow name

.github/workflows/test-langs.yml

@@ -1,9 +1,9 @@
-name: Build/Test CI
+name: Test languages
 
 on: [push, pull_request]
 
 jobs:
-  build-and-test:
+  test-langs:
     # We want to run on external PRs, but not on our own internal PRs as they'll be run
     # by the push to the branch. Without this if check, checks are duplicated since
     # internal PRs match both the push and pull_request events.