improv(ci): Verify Output of Layer Deployment (Partitions) GitHub Action

[sdangol]

Summary

This PR adds verification steps to check the Description, which contains the Powertools version number, and the Layer version in the published artifact of the Layer Deployment (Partitions) step to automate the following steps of the Release workflow:

• Verify GovCloud Layers (Gamma): Download the AWSLambdaPowertoolsTypeScriptV2-us-gov-east-1.json and AWSLambdaPowertoolsTypeScriptV2-us-gov-west-1.json ZIP files. Unzip the files, inspect the JSON files therein and ensure the version number in the Description field (i.e., Powertools for AWS Lambda (TypeScript) version 2.20.0) and the layer version in the LayerVersionArn field (i.e., arn:aws-us-gov:lambda:us-gov-east-1:164754790254:layer:AWSLambdaPowertoolsTypeScriptV2:32) are correct.
• Verify GovCloud Layers (Prod): Download the AWSLambdaPowertoolsTypeScriptV2-us-gov-east-1.json and AWSLambdaPowertoolsTypeScriptV2-us-gov-west-1.json ZIP files. Unzip the files, inspect the JSON files therein and ensure the version number in the Description field (i.e., Powertools for AWS Lambda (TypeScript) version 2.20.0) and the layer version in the LayerVersionArn field (i.e., arn:aws-us-gov:lambda:us-gov-west-1:165093116878:layer:AWSLambdaPowertoolsTypeScriptV2:32) are correct.
• Verify China Layer (Gamma): Download the AWSLambdaPowertoolsTypeScriptV2-cn-north-1.json ZIP file. Unzip the file, inspect the JSON file therein and ensure the version number in the Description field (i.e., Powertools for AWS Lambda (TypeScript) version 2.20.0) and the layer version in the LayerVersionArn field (i.e., arn:aws-cn:lambda:cn-north-1:498595349401:layer:AWSLambdaPowertoolsTypeScriptV2:32) are correct.
• Verify China Layer (Prod): Download the AWSLambdaPowertoolsTypeScriptV2-cn-north-1.json ZIP file. Unzip the file, inspect the JSON file therein and ensure the version number in the Description field (i.e., Powertools for AWS Lambda (TypeScript) version 2.20.0) and the layer version in the LayerVersionArn field (i.e., arn:aws-cn:lambda:cn-north-1:498634801083:layer:AWSLambdaPowertoolsTypeScriptV2:32) are correct.

Changes

Please provide a summary of what's being changed

• Added a verification step similar to that of the verification of the SHA. The verification step verifies if the local layer description and number matches with the remote layer description and number.
• Removed the manual verification steps mentioned in the Maintainers documentation in the release workflow

Please add the issue number below, if no issue is present the PR might get blocked and not be reviewed

Issue number: closes #4182

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[svozza]

We should also update the maintainers documentation to remove the manual verification steps for this listed there.

[sdangol]

@svozza I've updated the docs as well

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

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