Refactor actionUrl function to support customizable base URI

[NamrathShetty]

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[Copilot]

Pull Request Overview

This PR refactors the actionUrl function to support a customizable base URI, enabling the function to handle GitHub Enterprise Server (GHES) scenarios. Key changes include:

• Changing the actionUrl function signature to include a baseUri parameter.
• Normalizing the baseUri to ensure it ends with a forward slash.
• Removing the TODO comment now that the customization is implemented.

Comments suppressed due to low confidence (1)

languageservice/src/action.ts:70

• [nitpick] Consider renaming 'gitHubBaseUri' to 'normalizedBaseUri' to clearly indicate that this variable represents a normalized version of the base URI.

const gitHubBaseUri = baseUri.endsWith("/") ? baseUri : `${baseUri}/`;