Update gradle.yml

Change Java version

Author: takaoka-k-wap

.github/workflows/gradle.yml

@@ -19,11 +19,11 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v2
-    - name: Set up JDK 11
-      uses: actions/setup-java@v2
+    - uses: actions/checkout@v4
+    - name: Set up JDK 17
+      uses: actions/setup-java@v4
       with:
-        java-version: '11'
+        java-version: '17'
         distribution: 'adopt'
     - name: Build with Gradle
       uses: gradle/gradle-build-action@4137be6a8bf7d7133955359dbd952c0ca73b1021