Update dependency to latest RefactoringMiner version

Author: tsantalis

pom.xml

@@ -32,7 +32,7 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <maven.compiler.source>1.8</maven.compiler.source>
         <maven.compiler.target>1.8</maven.compiler.target>
-        <rm.version>3.1.4</rm.version>
+        <rm.version>3.1.5</rm.version>
     </properties>
     <dependencies>
         <dependency>