fix workflow setup step name

.github/workflows/build.yml

@@ -8,7 +8,7 @@ jobs:
     steps:
     - name: Checkout
       uses: actions/checkout@v4
-    - name: Set up Eclipse Temurin 21
+    - name: Set up JDK 21
       uses: actions/setup-java@v4
       with:
         distribution: 'microsoft'