chore: bump com.squareup.okhttp3:okhttp-bom

Bumps [com.squareup.okhttp3:okhttp-bom](https://github.com/square/okhttp) from 5.0.0-alpha.14 to 5.0.0-alpha.16.
- [Changelog](https://github.com/square/okhttp/blob/master/CHANGELOG.md)
- [Commits](square/okhttp@parent-5.0.0-alpha.14...parent-5.0.0-alpha.16)

---
updated-dependencies:
- dependency-name: com.squareup.okhttp3:okhttp-bom
  dependency-version: 5.0.0-alpha.16
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -1,7 +1,7 @@
 # Reference: https://docs.gradle.org/current/userguide/platforms.html
 
 [versions]
-okhttp = "5.0.0-alpha.14"
+okhttp = "5.0.0-alpha.16"
 
 [plugins]
 spotless = { id = "com.diffplug.spotless", version = "7.0.3" }