fix: Improve maven plugin configuration (#1200)

Author: khmarbaise

pom.xml

@@ -42,7 +42,8 @@
   </modules>
 
   <properties>
-    <compiler.version>1.8</compiler.version>
+    <maven.compiler.source>8</maven.compiler.source>
+    <maven.compiler.target>8</maven.compiler.target>
     <gson.version>2.8.9</gson.version>
     <junit.version>5.7.0</junit.version>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
@@ -93,11 +94,7 @@
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-compiler-plugin</artifactId>
-          <version>3.1</version>
-          <configuration>
-            <source>${compiler.version}</source>
-            <target>${compiler.version}</target>
-          </configuration>
+          <version>3.10.1</version>
         </plugin>
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>