Upgrade to the latest NodeJS and Yarn version, hoping to fix build issues on Apache CI
diff --git a/extensions/web-tracker/javascript/pom.xml b/extensions/web-tracker/javascript/pom.xml
index e5c679f..5746f3f 100755
--- a/extensions/web-tracker/javascript/pom.xml
+++ b/extensions/web-tracker/javascript/pom.xml
@@ -85,8 +85,8 @@
                             <goal>install-node-and-yarn</goal>
                         </goals>
                         <configuration>
-                            <nodeVersion>v12.19.0</nodeVersion>
-                            <yarnVersion>v1.22.5</yarnVersion>
+                            <nodeVersion>${node.version}</nodeVersion>
+                            <yarnVersion>${yarn.version}</yarnVersion>
                         </configuration>
                     </execution>
                     <execution>
diff --git a/graphql/graphql-playground/pom.xml b/graphql/graphql-playground/pom.xml
index 70dd054..2a28c3b 100644
--- a/graphql/graphql-playground/pom.xml
+++ b/graphql/graphql-playground/pom.xml
@@ -71,8 +71,8 @@
                             <goal>install-node-and-yarn</goal>
                         </goals>
                         <configuration>
-                            <nodeVersion>v11.11.0</nodeVersion>
-                            <yarnVersion>v1.19.1</yarnVersion>
+                            <nodeVersion>${node.version}</nodeVersion>
+                            <yarnVersion>${yarn.version}</yarnVersion>
                         </configuration>
                     </execution>
                     <execution>
diff --git a/pom.xml b/pom.xml
index 8050831..c0fb0ed 100644
--- a/pom.xml
+++ b/pom.xml
@@ -94,6 +94,9 @@
         <httpclient-osgi.version>4.5.5</httpclient-osgi.version>
         <httpcore-osgi.version>4.4.9</httpcore-osgi.version>
 
+        <node.version>v12.19.0</node.version>
+        <yarn.version>v1.22.5</yarn.version>
+
         <release.arguments>-Papache-release,integration-tests</release.arguments>
 
     </properties>