Bump okhttp-bom from 4.9.2 to 4.9.3

Bumps [okhttp-bom](https://github.com/square/okhttp) from 4.9.2 to 4.9.3.
- [Release notes](https://github.com/square/okhttp/releases)
- [Changelog](https://github.com/square/okhttp/blob/master/CHANGELOG.md)
- [Commits](https://github.com/square/okhttp/compare/parent-4.9.2...parent-4.9.3)

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

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

matrix-sdk-android/build.gradle

@@ -115,7 +115,7 @@ dependencies {
     implementation libs.squareup.retrofit
     implementation libs.squareup.retrofitMoshi
 
-    implementation(platform("com.squareup.okhttp3:okhttp-bom:4.9.2"))
+    implementation(platform("com.squareup.okhttp3:okhttp-bom:4.9.3"))
     implementation 'com.squareup.okhttp3:okhttp'
     implementation 'com.squareup.okhttp3:logging-interceptor'
     implementation 'com.squareup.okhttp3:okhttp-urlconnection'