workflows: Change conformance workflow name

Otherwise you can't tell them apart in the UI...

Signed-off-by: Jussi Kukkonen <jkukkonen@google.com>

Author: jku

.github/workflows/conformance.yml

@@ -2,7 +2,7 @@ on:
   # manual dispatch only while the conformance test suite is under rapid development
   workflow_dispatch:
 
-name: CI
+name: Conformance test
 jobs:
   conformance:
     runs-on: ubuntu-latest