build: set maven compiler release version to 11

Author: sladkoff

pom.xml

@@ -101,8 +101,7 @@
                 <artifactId>maven-compiler-plugin</artifactId>
                 <version>${maven-compiler-plugin.version}</version>
                 <configuration>
-                    <source>1.8</source>
-                    <target>1.8</target>
+                    <release>11</release>
                 </configuration>
             </plugin>
             <plugin>