Bump com.hivemq:hivemq-extension-sdk in /modules/hivemq

Bumps [com.hivemq:hivemq-extension-sdk](https://github.com/hivemq/hivemq-extension-sdk) from 4.28.1 to 4.30.0.
- [Release notes](https://github.com/hivemq/hivemq-extension-sdk/releases)
- [Commits](hivemq/hivemq-extension-sdk@4.28.1...4.30.0)

---
updated-dependencies:
- dependency-name: com.hivemq:hivemq-extension-sdk
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

modules/hivemq/build.gradle

@@ -13,7 +13,7 @@ dependencies {
 
     testImplementation("org.junit.jupiter:junit-jupiter:5.10.2")
     testImplementation(project(":junit-jupiter"))
-    testImplementation("com.hivemq:hivemq-extension-sdk:4.28.1")
+    testImplementation("com.hivemq:hivemq-extension-sdk:4.30.0")
     testImplementation("com.hivemq:hivemq-mqtt-client:1.3.3")
     testImplementation("org.apache.httpcomponents:httpclient:4.5.14")
     testImplementation("ch.qos.logback:logback-classic:1.5.6")