Bump com.squareup.okhttp3:okhttp in /dubbo-dependencies-bom

Bumps [com.squareup.okhttp3:okhttp](https://github.com/square/okhttp) from 3.14.9 to 4.9.2.
- [Changelog](https://github.com/square/okhttp/blob/master/CHANGELOG.md)
- [Commits](square/okhttp@parent-3.14.9...parent-4.9.2)

---
updated-dependencies:
- dependency-name: com.squareup.okhttp3:okhttp
  dependency-version: 4.9.2
  dependency-type: direct:production
...

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

Author: dependabot[bot]

dubbo-dependencies-bom/pom.xml

@@ -132,7 +132,7 @@
     <reactor.version>3.7.11</reactor.version>
     <mutiny.version>2.9.0</mutiny.version>
     <rxjava.version>2.2.21</rxjava.version>
-    <okhttp_version>3.14.9</okhttp_version>
+    <okhttp_version>4.9.2</okhttp_version>
 
     <rs_api_version>2.1.1</rs_api_version>
     <resteasy_version>3.15.6.Final</resteasy_version>