Updated source code file name in sync with GitHub naming

Author: anandshah123

infrastructure-cdk/lib/shared-vars.ts

@@ -2,5 +2,5 @@ import {ApplicationRuntime} from "./constructs/application-runtime";
 
 export const APPLICATION_NAME = "kinesis-analytics-application-python"
 export const BUILD_FOR_RUNTIME = ApplicationRuntime.PYTHON
-export const SOURCE_CODE_ZIP = "automate-deployment-and-version-update-of-kda-application.zip"
+export const SOURCE_CODE_ZIP = "automate-deployment-and-version-update-of-kda-application-main.zip"
 export const ASSET_BUCKET_EXPORT_NAME = "Blog::Artifact::BucketName"