Update aws-cdk monorepo to v1.204.0 (#217)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

aws-cdk-java-introduction/pom.xml

@@ -9,7 +9,7 @@
 
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-    <cdk.version>1.85.0</cdk.version>
+    <cdk.version>1.204.0</cdk.version>
     <junit.version>5.7.0</junit.version>
   </properties>