Update okhttp from 3.12.11 to 3.12.13

Changelog https://square.github.io/okhttp/changelog_3x/#version-31213

extractor/build.gradle

@@ -15,6 +15,6 @@ dependencies {
     implementation 'org.nibor.autolink:autolink:0.10.0'
 
     testImplementation 'junit:junit:4.13.1'
-    testImplementation "com.squareup.okhttp3:okhttp:3.12.11"
+    testImplementation "com.squareup.okhttp3:okhttp:3.12.13"
     testImplementation 'com.google.code.gson:gson:2.8.6'
 }