chore: Use go-mod-path in run-script-and-commit GitHub action

[lantoli]

Proposed changes

Use go-mod-path in run-script-and-commit GitHub action to adapt to changes in mongodb/terraform-provider-mongodbatlas#4049

Jira ticket: CLOUDP-365072

Type of change:

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as
  expected)
• This change requires a documentation update
• If changes include removal or addition of 3rd party GitHub actions, I updated our internal document. Reach out to the APIx Integration slack channel to get access to the internal document.

Manual QA performed:

• cfn invoke for each of CRUDL/cfn test
• Updated resource in example
• Published to AWS private registry
• Used the template in example to create and update a stack in AWS
• Deleted stack to ensure resources are deleted
• Created multiple resources in same stack
• Validated in Atlas UI
• Included screenshots

Required Checklist:

• I have signed the MongoDB CLA
• I have added tests that prove my fix is effective or that my feature works
• I have checked that this change does not generate any credentials and that they are NOT accidentally logged anywhere.
• I have added any necessary documentation (if appropriate)
• I have run make fmt and formatted my code
• For CFN Resources: I have released by changes in the private registry and proved by change
  works in Atlas

Further comments

[Copilot]

Pull request overview

This PR updates the GitHub Actions workflow configuration to use the go-mod-path parameter instead of the deprecated repo-path parameter in the run-script-and-commit action, aligning with upstream changes in the terraform-provider-mongodbatlas repository.

Changes:

• Updated the publish workflow to use go-mod-path pointing to the specific go.mod file location instead of the generic repo-path directory parameter

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