Simplify CI job name

The target, reusable `spring-gradle-ci.yml` workflow already provides info
about OS, Java and branch it is running against

**Auto-cherry-pick to `4.0.x` & `3.2.x`**

Author: artembilan

.github/workflows/ci.yml

@@ -14,6 +14,7 @@ concurrency:
 
 jobs:
   ci:
+    name: CI
     strategy:
       fail-fast: false
       matrix: