Merge pull request #220 from gdcc/renovate/maven-compiler-plugin.version

chore(deps): update dependency org.apache.maven.plugins:maven-compiler-plugin to v3.12.1

pom.xml

@@ -61,7 +61,7 @@
         <!-- Official Maven Plugins -->
         <maven-plugin-api.version>3.8.2</maven-plugin-api.version>
         <maven-plugin-annotations.version>3.6.4</maven-plugin-annotations.version>
-        <maven-compiler-plugin.version>3.11.0</maven-compiler-plugin.version>
+        <maven-compiler-plugin.version>3.12.1</maven-compiler-plugin.version>
         <maven-jar-plugin.version>3.3.0</maven-jar-plugin.version>
         <maven-dependency-plugin.version>3.6.0</maven-dependency-plugin.version>
         <maven-surefire-plugin.version>3.1.2</maven-surefire-plugin.version>