build: update Maven compiler plugin to version 3.15.0 and add versions-maven-plugin

Author: mkjsix

pom.xml

@@ -28,11 +28,16 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>
-                <version>3.13.0</version>
+                <version>3.15.0</version>
                 <configuration>
                     <release>${maven.compiler.release}</release>
                 </configuration>
             </plugin>
+            <plugin>
+                <groupId>org.codehaus.mojo</groupId>
+                <artifactId>versions-maven-plugin</artifactId>
+                <version>2.20.1</version>
+            </plugin>
         </plugins>
     </build>