ref-manual/system-requirements.rst: update supported distributions

After 837a650aac17 ("poky: Update SANITY_TESTED_DISTROS") in meta-yocto.

(From yocto-docs rev: 4e7ce89ff91f5fa7ade1feb7be96f898b56068ed)

Signed-off-by: Antonin Godard <antonin.godard@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

documentation/ref-manual/system-requirements.rst

@@ -67,16 +67,18 @@ supported on the following distributions:
 -  CentOS Stream 9
 -  Debian GNU/Linux 11 (Bullseye)
 -  Debian GNU/Linux 12 (Bookworm)
+-  Debian GNU/Linux 13 (Trixie)
 -  Fedora 39
 -  Fedora 40
 -  Fedora 41
+-  Fedora 42
 -  OpenSUSE Leap 15.5
 -  OpenSUSE Leap 15.6
 -  Rocky Linux 8
 -  Rocky Linux 9
 -  Ubuntu 22.04 (LTS)
 -  Ubuntu 24.04 (LTS)
--  Ubuntu 24.10
+-  Ubuntu 25.04
 
 The following distribution versions are still tested, even though the
 organizations publishing them no longer make updates publicly available:
@@ -89,7 +91,6 @@ organizations publishing them no longer make updates publicly available:
 -  Fedora 39
 -  Fedora 40
 -  OpenSUSE Leap 15.5
--  Ubuntu 24.10
 
 Note that the Yocto Project doesn't have access to private updates
 that some of these versions may have. Therefore, our testing has