branch master updated (a181947 -> 5225732)

[guix-commits]

civodul pushed a change to branch master
in repository guix.

    from a181947  gnu: dnsmasq: Update to 2.83 [security fixes].
     new 1278b15  gnu: guix: Update to d4a562b.
     new 5f7f4e1  gnu: guile-json: Update to 4.5.1.
     new 5225732  swh: Test proper handling of null visit snapshot URL.

The 3 revisions listed above as "new" are entirely new to this
repository and will be described in separate emails.  The revisions
listed as "add" were already present in the repository and have only
been added to this reference.


Summary of changes:
 gnu/packages/guile.scm              |  4 ++--
 gnu/packages/package-management.scm |  6 +++---
 tests/swh.scm                       | 37 ++++++++++++++++++++++++++++++++++---
 3 files changed, 39 insertions(+), 8 deletions(-)