Make name of job only show java version

.github/workflows/pr_build_jars.yml

@@ -10,13 +10,13 @@ on:
 
 jobs:
   testBuilds:
-    name: "Test-compile against Java 8, 11 and 16"
-    runs-on: ubuntu-latest
     strategy:
       fail-fast: false
       max-parallel: 4
       matrix:
         java-version: [8, 11, 16]
+    name: "Compile jar against ${{ matrix.java-version }}"
+    runs-on: ubuntu-latest
     steps:
     - name: "Checkout Code"
       uses: actions/checkout@v2