Bump com.squareup.okhttp3:okhttp from 4.11.0 to 4.12.0

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] <support@github.com>

pom.xml

@@ -65,7 +65,7 @@
     <spring-boot-version>2.7.16</spring-boot-version>
     <jackson-version>2.15.2</jackson-version>
     <dojo-version>1.17.3</dojo-version>
-    <okhttp-version>4.11.0</okhttp-version>
+    <okhttp-version>4.12.0</okhttp-version>
   </properties>
 
   <url>https://cometd.org</url>