Bump com.squareup.okhttp3:okhttp from 4.11.0 to 4.12.0 (#856)

Bumps [com.squareup.okhttp3:okhttp](https://github.com/square/okhttp) from 4.11.0 to 4.12.0.
- [Changelog](https://github.com/square/okhttp/blob/master/CHANGELOG.md)
- [Commits](square/okhttp@parent-4.11.0...parent-4.12.0)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

build.gradle

@@ -64,7 +64,7 @@ dependencies {
 
     implementation "com.github.ethereum-lists.chains:httpsloader:1.6"
     implementation "com.github.ethereum-lists.chains:model:1.6"
-    implementation "com.squareup.okhttp3:okhttp:4.11.0"
+    implementation "com.squareup.okhttp3:okhttp:4.12.0"
 
     implementation 'com.beust:klaxon:5.6'
     implementation 'com.squareup.moshi:moshi-kotlin:1.15.0'