Bump com.squareup.okhttp3:okhttp from 3.14.9 to 4.12.0

Bumps [com.squareup.okhttp3:okhttp](https://github.com/square/okhttp) from 3.14.9 to 4.12.0.
- [Changelog](https://github.com/square/okhttp/blob/master/CHANGELOG.md)
- [Commits](square/okhttp@parent-3.14.9...parent-4.12.0)

---
updated-dependencies:
- dependency-name: com.squareup.okhttp3:okhttp
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

omnij-rest-client-retrofit/build.gradle

@@ -9,11 +9,11 @@ dependencies {
     api project(':omnij-jsonrpc')
     api project(':omnij-net-api')
 
-    api 'com.squareup.okhttp3:okhttp:3.14.9'   // OmniwalletClient constructor with OkHttp parameter
+    api 'com.squareup.okhttp3:okhttp:4.12.0'   // OmniwalletClient constructor with OkHttp parameter
     api 'com.squareup.retrofit2:retrofit:2.9.0'
 
     implementation 'com.squareup.retrofit2:converter-jackson:2.9.0'
-    implementation 'com.squareup.okhttp3:logging-interceptor:3.14.9'
+    implementation 'com.squareup.okhttp3:logging-interceptor:4.12.0'
 
     implementation 'com.google.code.findbugs:jsr305:3.0.2'