bug#34909: 26.1; Error refreshing packages under language environment

[Stefan Monnier]

> -            (progn (write-region content nil local-file nil 'silent)
> +            (progn (let ((coding-system-for-write 'utf-8))
> +                     (write-region content nil local-file nil 'silent))

This is probably safe, but I think the buffer should be unibyte and if
it isn't I think it indicates a bug elsewhere (likely in
package--with-response-buffer tho its use in describe-package-1 might
prefer a decoded (aka multibyte) result).


        Stefan