Function ValidateGitHubTag

ValidateGitHubTag(
    repoUrl: string,
    version: string,
    options: GitHubClientOptions,
    subpath?: string,
): Promise<{ ErrorMessage?: string; Exists: boolean }>
Validates that a specific version tag exists in a GitHub repository.
Parameters
- repoUrl: string
  GitHub repository URL
- version: string
  Version to check (e.g., '1.0.7' — will be normalized to 'v1.0.7')
- options: GitHubClientOptions
  GitHub client options
- Optionalsubpath: string
Returns Promise<{ ErrorMessage?: string; Exists: boolean }>
Whether the tag exists, with an error message if not
- Defined in packages/OpenApp/Engine/src/github/github-client.ts:449