Merge branch 'renovate/org.apache.maven.plugins-maven-compiler-plugin-3.x' into 'main'

Update dependency org.apache.maven.plugins:maven-compiler-plugin to v3.12.1

See merge request !8

pom.xml

@@ -25,7 +25,7 @@
         <plugins>
             <plugin>
                 <artifactId>maven-compiler-plugin</artifactId>
-                <version>3.7.0</version>
+                <version>3.12.1</version>
                 <configuration>
                     <source>1.8</source>
                     <target>1.8</target>