COMN-341: Update the parent POM to version 21.0.0

Author: juliencherry

pom.xml

@@ -22,7 +22,7 @@
     <parent>
         <artifactId>open-source-parent</artifactId>
         <groupId>com.basistech</groupId>
-        <version>20.0.0</version>
+        <version>21.0.0</version>
     </parent>
     <packaging>pom</packaging>
     <description>Common Java API class libraries for Rosette</description>