downgrade maven minimum version to 3.6.1

Author: i-make-robots

pom.xml

@@ -247,7 +247,7 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <minimum.maven.version>3.8.1</minimum.maven.version>
+        <minimum.maven.version>3.6.1</minimum.maven.version>
         <minimum.java.version>15</minimum.java.version>
         <maven-dependency-plugin.ignoreNonCompile>true</maven-dependency-plugin.ignoreNonCompile>
         <maven.compiler.source>${minimum.java.version}</maven.compiler.source>