chore(deps): update dependency com.squareup.okhttp3:mockwebserver to v4 (#71)

Co-authored-by: WhiteSource Renovate <renovatebot@gmail.com>

Author: 2 people

build.gradle

@@ -96,7 +96,7 @@ if (project.hasProperty("signing.keyId")) {
 
 dependencies {
     compile group: 'com.squareup.okhttp3', name: 'okhttp', version: '3.14.6'
-    compile group: 'com.squareup.okhttp3', name: 'mockwebserver', version: '3.14.6'
+    compile group: 'com.squareup.okhttp3', name: 'mockwebserver', version: '4.3.1'
     compile group: 'com.google.code.gson', name: 'gson', version: '2.8.6'
 
     testImplementation 'org.junit.jupiter:junit-jupiter-api:5.5.2'