fix: remove java version matrix

.github/workflows/build.yaml

@@ -8,15 +8,14 @@ jobs:
     strategy:
       matrix:
         os: [ ubuntu-latest, macos-latest, windows-latest ]
-        java: [ '16', '17' ]
-    name: Java ${{ matrix.Java }} on ${{ matrix.os }} sample
+    name: Java 17 on ${{ matrix.os }} sample
     steps:
       - uses: actions/checkout@v3
       - name: Set up JDK 17
         uses: actions/setup-java@v3
         with:
           distribution: 'temurin'
-          java-version: ${{ matrix.java }}
+          java-version: '17'
           cache: 'gradle'
       - name: Change wrapper permissions
         run: chmod +x ./gradlew