Bump okhttp from 4.3.0 to 4.9.3

Bumps [okhttp](https://github.com/square/okhttp) from 4.3.0 to 4.9.3.
- [Release notes](https://github.com/square/okhttp/releases)
- [Changelog](https://github.com/square/okhttp/blob/master/CHANGELOG.md)
- [Commits](square/okhttp@parent-4.3.0...parent-4.9.3)

---
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

@@ -35,7 +35,7 @@
 
     <findbugs.version>3.0.1</findbugs.version>
     <gson.version>2.8.8</gson.version>
-    <okhttp.version>4.3.0</okhttp.version>
+    <okhttp.version>4.9.3</okhttp.version>
     <logging.version>4.9.1</logging.version>
     <guava.version>31.0-jre</guava.version>
     <backo.version>1.0.0</backo.version>