build(deps): bump com.squareup.okhttp3:mockwebserver

Bumps [com.squareup.okhttp3:mockwebserver](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:mockwebserver
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

build.gradle.kts

@@ -17,7 +17,7 @@ val logbackVersion = "1.4.11"
 val logstashLogbackEncoderVersion = "7.4"
 val micrometerRegistryPrometheusVersion = "1.11.4"
 val mockOAuth2ServerVersion = "2.0.0"
-val mockWebServerVersion = "4.11.0"
+val mockWebServerVersion = "4.12.0"
 val mockkVersion = "1.13.8"
 val nimbusSdkVersion = "11.2"
 val postgresqlVersion = "42.6.0"