Bump okhttp.version from 3.14.9 to 4.12.0

Bumps `okhttp.version` from 3.14.9 to 4.12.0.

Updates `com.squareup.okhttp3: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)

Updates `com.squareup.okhttp3:mockwebserver` 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
- dependency-name: com.squareup.okhttp3:mockwebserver
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

pom.xml

@@ -69,7 +69,7 @@
     <jackson-core.version>2.14.2</jackson-core.version>
     <jackson-bind.version>2.14.2</jackson-bind.version>
 
-    <okhttp.version>3.14.9</okhttp.version>
+    <okhttp.version>4.12.0</okhttp.version>
     <hamcrest.version>2.2</hamcrest.version>
 
     <surefire.version>3.3.0</surefire.version>