Simplify dependencies used to build and test confluent-schema-registry instrumentation

Also add latestDepTest to test this instrumentation against the latest version

Author: mcculls

dd-java-agent/instrumentation/confluent-schema-registry/confluent-schema-registry-4.1/build.gradle

@@ -11,18 +11,14 @@ muzzle {
   }
 }
 
+addTestSuiteForDir('latestDepTest', 'test')
+
 dependencies {
   implementation project(':dd-java-agent:instrumentation:kafka:kafka-common')
   compileOnly group: 'io.confluent', name: 'kafka-schema-registry-client', version: '4.1.0'
-  compileOnly group: 'io.confluent', name: 'kafka-avro-serializer', version: '4.1.0'
-  compileOnly group: 'io.confluent', name: 'kafka-protobuf-serializer', version: '4.1.0'
-  compileOnly group: 'org.apache.kafka', name: 'kafka-clients', version: '3.0.0'
 
-  testImplementation project(':dd-java-agent:instrumentation:kafka:kafka-common')
-  testImplementation group: 'io.confluent', name: 'kafka-schema-registry-client', version: '7.5.2'
-  testImplementation group: 'io.confluent', name: 'kafka-avro-serializer', version: '7.5.2'
-  testImplementation group: 'io.confluent', name: 'kafka-protobuf-serializer', version: '7.5.1'
-  testImplementation group: 'org.apache.kafka', name: 'kafka-clients', version: '3.5.0'
-  testImplementation group: 'org.apache.avro', name: 'avro', version: '1.11.0'
+  testImplementation group: 'io.confluent', name: 'kafka-avro-serializer', version: '4.1.0'
+
+  latestDepTestImplementation group: 'io.confluent', name: 'kafka-avro-serializer', version: '+'
 }