Function run_validate 

pub fn run_validate(
    sbom_path: PathBuf,
    standard: String,
    output: ReportFormat,
    output_file: Option<PathBuf>,
    fail_on_warning: bool,
    summary: bool,
    cra_sidecar_path: Option<PathBuf>,
    cra_product_class: Option<String>,
) -> Result<()>

Run the validate command