async function dynamicImportConfig(filePath, fileURL, mtime) {
	const module = await import(fileURL.href);

	importedConfigFileModificationTime.set(filePath, mtime);

	return module.default;
}
Dynamically imports a module from the given file path.
@param {string} filePath The absolute file path of the module to import.
@param {URL} fileURL The file URL to load.
@param {number} mtime The last modified timestamp of the file.
@returns {Promise<any>} - A {@linkcode Promise | promise} that resolves to the imported ESLint config.
@since 9.24.0