update kafka-connect-protobuf-converter to check if it will solve license issue

Author: pszkamruk-splunk

pom.xml

@@ -161,7 +161,7 @@
         <dependency>
             <groupId>io.confluent</groupId>
             <artifactId>kafka-connect-protobuf-converter</artifactId>
-            <version>7.1.1</version>
+            <version>8.0.0</version>
         </dependency>
         <!-- https://mvnrepository.com/artifact/com.google.protobuf/protobuf-java -->
         <dependency>