No GovCloud region ARNs present in worker nodes Yaml

1. There are no Gov cloud regions mentioned.

https://github.com/aws-samples/opensource-4g-core-eks/blob/56ad4ac606d108223911f73c2b28f61b45f29eb0/x86-Architecture/cfn-templates/open5gs-worker-x86.yaml#L11-L41

2. Also see an error with the SAM:

Transform AWS::Serverless-2016-10-31 failed with: Invalid Serverless Application Specification document. Number of errors found: 1. Resource with id [ConfigMapUpdate] is invalid. User: arn:aws-us-gov:iam::xxxxxxxxxx:user/<Redacted> is not authorized to perform: serverlessrepo:CreateCloudFormationTemplate on resource: arn:aws:serverlessrepo:us-east-1:903779448426:applications/eks-auth-update-hook. Rollback requested by user.

**This can be because of the following reason**
[] AWS Serverless Application Repository - How AWS Serverless Application Repository Differs for AWS GovCloud (US) - https://docs.aws.amazon.com/govcloud-us/latest/UserGuide/govcloud-sar.html#govcloud-sar-diffs

> Applications that are publicly shared in other AWS Regions are not automatically available in AWS GovCloud (US) Regions. To make applications available in AWS GovCloud (US) Regions, you must publish and share them independently of other AWS Regions.

https://github.com/aws-samples/opensource-4g-core-eks/blob/56ad4ac606d108223911f73c2b28f61b45f29eb0/x86-Architecture/cfn-templates/open5gs-worker-x86.yaml#L770-L788