fix java version in github action

Author: morfeusys

.github/workflows/build.yml

@@ -26,10 +26,10 @@ jobs:
         with:
           mongodb-port: 27017
 
-      - name: Set up JDK 8
+      - name: Set up JDK 17
         uses: actions/setup-java@v2
         with:
-          java-version: '8'
+          java-version: '17'
           distribution: 'adopt'
 
       - name: Grant execute permission for gradle