refactor: 'compile' it's deprecated

`compile` it's deprecated since Gradle 6.0 and been discouraged since Gradle 3.4.

We should use `implementation` and `api` instead because `compile` will be removed in Gradle 7.0.

https://docs.gradle.org/6.5.1/userguide/upgrading_version_5.html#deprecations

brut.j.util/build.gradle

@@ -15,7 +15,7 @@
  */
 
 dependencies {
-  compile project(':brut.j.common'),
-          depends.commons_io
-  testCompile depends.junit
+  implementation project(':brut.j.common'),
+                 depends.commons_io
+  testImplementation depends.junit
 }