refactor: OpenRewrite best practices

Use this link to re-run the recipe: https://app.moderne.io/recipes/builder/BftezDRNh?organizationId=T3BlblJld3JpdGU%3D

Co-authored-by: Moderne <[email protected]>

plugin/src/main/kotlin/org/openrewrite/gradle/GradleProjectSpec.kt

@@ -259,4 +259,4 @@ fun commitFilesToGitRepo(dir: File) {
 
 private fun exec(command: String, workingDirectory: File) {
     Runtime.getRuntime().exec(command, null, workingDirectory)
-}
+}