Bump okhttp from 4.8.1 to 4.9.0 in /examples (#3245)

Bumps [okhttp](https://github.com/square/okhttp) from 4.8.1 to 4.9.0.
- [Release notes](https://github.com/square/okhttp/releases)
- [Changelog](https://github.com/square/okhttp/blob/master/CHANGELOG.md)
- [Commits](square/okhttp@parent-4.8.1...parent-4.9.0)

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

examples/linked-container/build.gradle

@@ -7,7 +7,7 @@ repositories {
 }
 dependencies {
     compileOnly 'org.slf4j:slf4j-api:1.7.30'
-    implementation 'com.squareup.okhttp3:okhttp:4.8.1'
+    implementation 'com.squareup.okhttp3:okhttp:4.9.0'
     implementation 'org.json:json:20180813'
     testImplementation 'org.postgresql:postgresql:42.2.16'
     testImplementation 'ch.qos.logback:logback-classic:1.2.3'