#140 - Add benchmarks for after-convert callbacks.

- add the benchmark itself
- migrate to spring-boot dependencies of version 2.3.0

benchmark/commons/pom.xml

@@ -7,7 +7,7 @@
 	<parent>
 		<groupId>org.springframework.data.benchmark</groupId>
 		<artifactId>spring-data-benchmark-parent</artifactId>
-		<version>2.2.0.BUILD-SNAPSHOT</version>
+		<version>2.3.0.BUILD-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>spring-data-benchmark-commons</artifactId>