Fix Benchmark

Motivation:
Currently benchmark is broken, since microbenchmark-runner-junit supports junit5.8.x above since 0.3.0.RELEASE, but we're using 0.2.0.RELEASE

Modifications:
Upgrade mbr versions to 0.3.0.RELEASE

Results:
Benchmark is running

Author: jchrys

pom.xml

@@ -82,7 +82,7 @@
     <hikari-cp.version>4.0.3</hikari-cp.version>
     <spring-framework.version>5.3.25</spring-framework.version>
     <jackson.version>2.14.2</jackson.version>
-    <mbr.version>0.2.0.RELEASE</mbr.version>
+    <mbr.version>0.3.0.RELEASE</mbr.version>
     <jsr305.version>3.0.2</jsr305.version>
   </properties>
 
@@ -442,6 +442,13 @@
     </profile>
   </profiles>
 
+  <repositories>
+    <repository>
+      <id>jitpack.io</id>
+      <url>https://jitpack.io</url>
+    </repository>
+  </repositories>
+
   <distributionManagement>
     <repository>
       <releases>