Update dependency org.apache.pekko:pekko-stream_3 to v1.4.0

Author: renovate[bot]

kafka/pom.xml

@@ -74,7 +74,7 @@
     <dependency>
       <groupId>org.apache.pekko</groupId>
       <artifactId>pekko-stream_3</artifactId>
-      <version>1.1.0</version>
+      <version>1.4.0</version>
       <scope>test</scope>
     </dependency>
     <dependency>