Update dependency org.apache.maven.plugins:maven-compiler-plugin to v3.12.0

Author: renovate[bot]

pom.xml

@@ -156,7 +156,7 @@
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-compiler-plugin</artifactId>
-				<version>3.8.1</version>
+				<version>3.12.0</version>
 				<configuration>
 					<source>1.8</source>
 					<target>1.8</target>