Add kotlin-test-junit5 dependency

pom.xml

@@ -5,7 +5,7 @@
   <parent>
     <groupId>dev.openrs2</groupId>
     <artifactId>openrs2-parent</artifactId>
-    <version>1.0.3</version>
+    <version>1.0.4</version>
   </parent>
 
   <artifactId>openrs2</artifactId>

util/pom.xml

@@ -27,9 +27,14 @@
       <groupId>org.jetbrains.kotlin</groupId>
       <artifactId>kotlin-stdlib-jdk8</artifactId>
     </dependency>
+    <!-- XXX(gpe): must be before kotlin-test-junit5 so we get the correct version of junit-jupiter-api (ugh!) -->
     <dependency>
       <groupId>org.junit.jupiter</groupId>
       <artifactId>junit-jupiter</artifactId>
     </dependency>
+    <dependency>
+      <groupId>org.jetbrains.kotlin</groupId>
+      <artifactId>kotlin-test-junit5</artifactId>
+    </dependency>
   </dependencies>
 </project>