fix(deps): update dependencies: maven app: kafka connect to v3.9.0 (#5998)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

pom.xml

@@ -228,7 +228,7 @@
     <bouncycastle.version>1.80</bouncycastle.version>
 
     <!-- Kafka Connect -->
-    <connect.version>3.7.0</connect.version>
+    <connect.version>3.9.0</connect.version>
 
     <!-- Specifications -->
     <annotation-api.version>1.3.5</annotation-api.version>