Fix all gradle warnings

Author: tylerlong

build.gradle

@@ -7,22 +7,22 @@ plugins {
     id 'com.diffplug.spotless' version '6.25.0'
 }
 
-group 'com.ringcentral'
-version '3.3.2'
+group = 'com.ringcentral'
+version = '3.3.2'
 
 repositories {
     mavenCentral()
 }
 
 dependencies {
-    api group: 'com.google.code.gson', name: 'gson', version: '2.10.1'
-    api group: 'com.squareup.okhttp3', name: 'okhttp', version: '4.11.0'
-    testImplementation group: 'junit', name: 'junit', version: '4.13.2'
+    api 'com.google.code.gson:gson:2.10.1'
+    api 'com.squareup.okhttp3:okhttp:4.11.0'
+    testImplementation 'junit:junit:4.13.2'
 }
 
 java {
-    sourceCompatibility = JavaVersion.VERSION_1_8
-    targetCompatibility = JavaVersion.VERSION_1_8
+    sourceCompatibility = JavaVersion.VERSION_11
+    targetCompatibility = JavaVersion.VERSION_11
     withJavadocJar()
     withSourcesJar()
 }