Bump Amazon.CDK.Lib from 2.218.0 to 2.221.1 (#537)

---
updated-dependencies:
- dependency-name: Amazon.CDK.Lib
  dependency-version: 2.221.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Author: dependabot[bot]

src/order-service/cdk/OrdersService.CDK.csproj

@@ -9,7 +9,7 @@
 
   <ItemGroup>
     <!-- CDK Construct Library dependencies -->
-    <PackageReference Include="Amazon.CDK.Lib" Version="2.218.0" />
+    <PackageReference Include="Amazon.CDK.Lib" Version="2.221.1" />
     <PackageReference Include="Amazon.CDK.AWS.Lambda.DotNet" Version="0.0.6" />
     <PackageReference Include="Constructs" Version="10.4.2" />
   </ItemGroup>