Bump com.squareup.okhttp3:okhttp from 4.12.0 to 5.2.1

Bumps [com.squareup.okhttp3:okhttp](https://github.com/square/okhttp) from 4.12.0 to 5.2.1.
- [Changelog](https://github.com/square/okhttp/blob/master/CHANGELOG.md)
- [Commits](square/okhttp@parent-4.12.0...parent-5.2.1)

---
updated-dependencies:
- dependency-name: com.squareup.okhttp3:okhttp
  dependency-version: 5.2.1
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -42,7 +42,7 @@ servicediscovery = { group = "net.tsc.servicediscovery", name = "servicediscover
 # UPNP. Maybe replace with jupnp
 upnplib = { group = "com.github.RPTools", name = "upnplib", version = "1.2.0" }
 # For RESTful functions
-okhttp = { group = "com.squareup.okhttp3", name = "okhttp", version = "4.12.0" }
+okhttp = { group = "com.squareup.okhttp3", name = "okhttp", version = "5.3.0" }
 
 # Image processing lib
 imageio-core = { group = "com.twelvemonkeys.imageio", name = "imageio-core", version.ref = "imageio" }