Switch to using JUnit BOM (#8)

Author: Harmelodic

pom.xml

@@ -14,6 +14,19 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     </properties>
 
+    <dependencyManagement>
+        <dependencies>
+            <dependency>
+                <groupId>org.junit</groupId>
+                <artifactId>junit-bom</artifactId>
+                <version>6.0.0</version>
+                <type>pom</type>
+                <scope>import</scope>
+                <!-- Bill of Materials for managing JUnit dependencies -->
+            </dependency>
+        </dependencies>
+    </dependencyManagement>
+
     <dependencies>
         <dependency>
             <groupId>org.apache.commons</groupId>
@@ -24,7 +37,6 @@
         <dependency>
             <groupId>org.junit.jupiter</groupId>
             <artifactId>junit-jupiter</artifactId>
-            <version>6.0.0</version>
             <scope>test</scope>
         </dependency>
         <dependency>