Add okio-jvm to testImplementation to fix Intellij Import issue.

Author: tkvangorder

rewrite-maven/build.gradle.kts

@@ -63,6 +63,7 @@ dependencies {
     testImplementation(project(":rewrite-test"))
     testImplementation("ch.qos.logback:logback-classic:1.2.11")
     testImplementation("com.squareup.okhttp3:mockwebserver:4.+")
+    testImplementation("com.squareup.okio:okio-jvm:3.0.0")
     testImplementation("org.mapdb:mapdb:latest.release")
     testImplementation("guru.nidi:graphviz-java:latest.release")