Migrate off deprecated Gradle dependency syntax

Author: chadlwilson

build.gradle

@@ -65,19 +65,19 @@ ext {
 
 dependencies {
     compileOnly project.deps.gocdPluginApi
-    implementation group: 'com.google.code.gson', name: 'gson', version: '2.13.2'
-    implementation group: 'com.squareup.okhttp3', name: 'okhttp', version: '5.1.0'
+    implementation 'com.google.code.gson:gson:2.13.2'
+    implementation 'com.squareup.okhttp3:okhttp:5.1.0'
 
     testImplementation project.deps.gocdPluginApi
     testImplementation platform('org.junit:junit-bom:6.0.0')
-    testImplementation group: 'org.junit.jupiter', name: 'junit-jupiter-api'
-    testImplementation group: 'org.junit.jupiter', name: 'junit-jupiter-params'
-    testRuntimeOnly group: 'org.junit.jupiter', name: 'junit-jupiter-engine'
-    testRuntimeOnly group: 'org.junit.platform', name: 'junit-platform-launcher'
-    testImplementation group: 'org.mockito', name: 'mockito-core', version: '5.20.0'
-    testImplementation group: 'org.hamcrest', name: 'hamcrest', version: '3.0'
-    testImplementation group: 'org.skyscreamer', name: 'jsonassert', version: '1.5.3'
-    testImplementation group: 'com.squareup.okhttp3', name: 'mockwebserver3-junit5', version: '5.1.0'
+    testImplementation 'org.junit.jupiter:junit-jupiter-api'
+    testImplementation 'org.junit.jupiter:junit-jupiter-params'
+    testRuntimeOnly 'org.junit.jupiter:junit-jupiter-engine'
+    testRuntimeOnly 'org.junit.platform:junit-platform-launcher'
+    testImplementation 'org.mockito:mockito-core:5.20.0'
+    testImplementation 'org.hamcrest:hamcrest:3.0'
+    testImplementation 'org.skyscreamer:jsonassert:1.5.3'
+    testImplementation 'com.squareup.okhttp3:mockwebserver3-junit5:5.1.0'
 }
 
 test {