fix(typesctipt-angular-21-provided-on-root): fix typo in pom (#22689)

Author: sergejomon

samples/client/petstore/typescript-angular-v21-provided-in-root/pom.xml

@@ -2,11 +2,11 @@
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/maven-v4_0_0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <groupId>org.openapitools</groupId>
-    <artifactId>typescript-angular-v20-provided-in-root-tests</artifactId>
+    <artifactId>typescript-angular-v21-provided-in-root-tests</artifactId>
     <packaging>pom</packaging>
     <version>1.0-SNAPSHOT</version>
 
-    <name>Typescript-Angular v20 Petstore Client</name>
+    <name>Typescript-Angular v21 Petstore Client</name>
     <build>
         <plugins>