Update for ServiceCatalogUserPassword to comply to the iam password policies

- Included an upper case character to match at least one uppercase letter from Latin alphabet
- Included '!' to match at least one non-alphanumeric character

Author: Niris Okram

govcloud/README.md

@@ -222,7 +222,7 @@ In this section, we will log in to the newly vended account using the user creat
 2. **Make sure you change over to the same region as the `StackRegion` in the previous section.**
 3. On the credentials page, enter the following information:
 	- Username: `service-catalog-user`
-	- Password: `service-catalog-2020`
+	- Password: `Service-catalog-2020!`
 	_Note: You will be prompted to change your password at first log in._
 4. On the Services menu, search and then choose [AWS Service Catalog](https://console.amazonaws-us-gov.com/servicecatalog/home). On the products list page, you will be to see the pre-configured AWS Service Catalog products allowed for the current user to provision.
 ![end-user](images/end-user.png)

govcloud/govcloud-side-setup/govcloud-account-avm-product.yaml

@@ -62,7 +62,7 @@ Resources:
       StackName : 'avm-baseline-stack'
       StackRegion : !Ref StackRegion
       ServiceCatalogUserName : 'service-catalog-user'
-      ServiceCatalogUserPassword : 'service-catalog-2020' 
+      ServiceCatalogUserPassword : 'Service-catalog-2020!' 
       ChildTemplateS3Url: !Ref BaselineTemplate
       AssumeRoleName: !Ref AssumeRoleName