Upgrade the npm version of mvn build

components/application-mgt/org.wso2.carbon.device.application.mgt.publisher.ui/pom.xml

@@ -66,7 +66,6 @@
                         <phase>generate-resources</phase>
                         <configuration>
                             <nodeVersion>${node.version}</nodeVersion>
-                            <npmVersion>${npm.version}</npmVersion>
                         </configuration>
                     </execution>
                     <execution>

components/application-mgt/org.wso2.carbon.device.application.mgt.store.ui/pom.xml

@@ -69,7 +69,6 @@
                         <phase>generate-resources</phase>
                         <configuration>
                             <nodeVersion>${node.version}</nodeVersion>
-                            <npmVersion>${npm.version}</npmVersion>
                         </configuration>
                     </execution>
                     <execution>

pom.xml

@@ -2249,8 +2249,7 @@
         <googlecode.plist.version>1.21</googlecode.plist.version>
         <net.dongliu.version>2.6.5</net.dongliu.version>
         <frontend.mave.version>1.7.6</frontend.mave.version>
-        <node.version>v10.15.3</node.version>
+        <node.version>v12.18.1</node.version>
-        <npm.version>6.9.0</npm.version>
 
         <maven.checkstyle.vesion>3.1.0</maven.checkstyle.vesion>