Enhance validation error messages for Go module configuration

[skywing918]

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[github-actions]

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Comment generated by summarize-checks workflow run.

[MaryGao]

@raych1 and @lirenhe Could we update me(marygao) as a code owner for below entry to replace wanlwanl?

/eng/tools/typespec-validation/src/rules/sdk-tspconfig-validation.ts @wanlwanl @raych1 @maririos

https://github.com/azure/azure-rest-api-specs/blob/main/.github/CODEOWNERS#L301

[github-actions]

API Change Check

APIView identified API level changes in this PR and created the following API reviews

Language	API Review for Package
TypeSpec	ConfidentialLedger
TypeSpec	ConfidentialLedgerCertificate
TypeSpec	Microsoft.DocumentDB
Java	com.azure:azure-confidentialledger
Java	com.azure:azure-confidentialledger-certificate
Java	com.azure.resourcemanager:azure-resourcemanager-mongocluster
JavaScript	@azure-rest/azure-confidentialledger
JavaScript	@azure-rest/azure-confidentialledger-certificate
JavaScript	@azure/arm-mongocluster