[bug#71024] Update diffoscope to 267 (with xz bonus update)

[Maxim Cournoyer <maxim.cournoyer@gmail.com>]

Hi,

vagrant@reproducible-builds.org writes:

> From: Vagrant Cascadian <vagrant@reproducible-builds.org>
>
> * gnu/packages/compression.scm (xz-5.4): New variable.
> ---
>  gnu/packages/compression.scm | 15 +++++++++++++++
>  1 file changed, 15 insertions(+)
>
> diff --git a/gnu/packages/compression.scm b/gnu/packages/compression.scm
> index dd88fce9ca..d89d72c9b7 100644
> --- a/gnu/packages/compression.scm
> +++ b/gnu/packages/compression.scm
> @@ -573,6 +573,21 @@ (define-public xz
>     (license (list license:gpl2+ license:lgpl2.1+)) ; bits of both
>     (home-page "https://tukaani.org/xz/")))
>  
> +(define-public xz-5.4
> +  (package
> +    (inherit xz)
> +    (name "xz-5.4")
> +    (version "5.4.5")
> +    (source (origin
> +              (method url-fetch)
> +              (uri (list (string-append "http://tukaani.org/xz/xz-" version
> +                                        ".tar.gz")
> +                         (string-append "http://multiprecision.org/guix/xz-"
> +                                        version ".tar.gz")))
> +              (sha256
> +               (base32
> +                "1mmpwl4kg1vs6n653gkaldyn43dpbjh8gpk7sk0gps5f6jwr0p0k"))))))
> +

Any reason not to use the latest, which is v5.6.1 (fetched from git, to
avoid the xz backdoor issue)?

-- 
Thanks,
Maxim