SUSE-SU-2026:21738-1

This update for libsolv, libzypp, zypper fixes the following issues:

• CVE-2026-44933: prevent configured scripts from escaping the sigcheck directory (bsc#1265223)

Changes in libsolv:

• update to version 0.7.37:
  • fix parsing of sha512 checksums in debian repositories
  • improve speed of dirpool_add_dir makeing parsing of filelists.xml twice as fast
  • fix parsing of recommands in the old Mandriva synthesis format

Changes in libzypp:

• update to version 17.38.9:
  • Mandatory signature verification plugin support (jsc#PED-11922)

Changes in zypper:

• update to version 1.14.97:
  • Add --filter-version-change to zypper lu. Adds filtering by version change significance to reduce noise in update listings. Supports levels: rebuild (hides rebuild-only changes) and package (hides all release-only changes).