build: Update parent version to 2.0.0-SNAPSHOT

Author: bsorrentino

mcp-inmemory-transport/pom.xml

@@ -7,7 +7,7 @@
 	<parent>
 		<groupId>io.modelcontextprotocol.sdk</groupId>
 		<artifactId>mcp-parent</artifactId>
-		<version>1.0.0-SNAPSHOT</version>
+		<version>2.0.0-SNAPSHOT</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>