Migrate off deprecated Gradle dependency syntax

Author: chadlwilson

build.gradle

@@ -67,23 +67,23 @@ ext {
 
 dependencies {
     compileOnly project.deps.gocdPluginApi
-    implementation group: 'com.google.code.gson', name: 'gson', version: '2.13.2'
+    implementation 'com.google.code.gson:gson:2.13.2'
     implementation project.deps.kubernetesClientApi
-    runtimeOnly group: 'io.fabric8', name: 'kubernetes-client', version: project.versions.kubernetesClientApi
-    implementation group: 'com.github.spullara.mustache.java', name: 'compiler', version: '0.9.14'
-    implementation group: 'org.freemarker', name: 'freemarker', version: '2.3.34'
+    runtimeOnly "io.fabric8:kubernetes-client:${project.versions.kubernetesClientApi}"
+    implementation 'com.github.spullara.mustache.java:compiler:0.9.14'
+    implementation 'org.freemarker:freemarker:2.3.34'
 
     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.assertj', name: 'assertj-core', version: '3.27.6'
-    testImplementation group: 'org.mockito', name: 'mockito-core', version: '5.20.0'
-    testImplementation group: 'org.skyscreamer', name: 'jsonassert', version: '1.5.3'
-    testImplementation group: 'org.jsoup', name: 'jsoup', version: '1.21.2'
-    testImplementation group: 'uk.org.webcompere', name: 'system-stubs-jupiter', version: '2.1.8'
+    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.assertj:assertj-core:3.27.6'
+    testImplementation 'org.mockito:mockito-core:5.20.0'
+    testImplementation 'org.skyscreamer:jsonassert:1.5.3'
+    testImplementation 'org.jsoup:jsoup:1.21.2'
+    testImplementation 'uk.org.webcompere:system-stubs-jupiter:2.1.8'
 }
 
 test {