Merge pull request #11 from io7m-com/dependabot/maven/develop/com.git…

…hub.siom79.japicmp-japicmp-0.21.1

Bump com.github.siom79.japicmp:japicmp from 0.18.3 to 0.21.1

pom.xml

@@ -101,7 +101,7 @@
       <dependency>
         <groupId>com.github.siom79.japicmp</groupId>
         <artifactId>japicmp</artifactId>
-        <version>0.18.3</version>
+        <version>0.21.1</version>
       </dependency>
       <dependency>
         <groupId>org.slf4j</groupId>