Includes fixes for CVE-2023-0767, CVE-2023-25728, CVE-2023-25729,
CVE-2023-25730, CVE-2023-25732, CVE-2023-25734, CVE-2023-25735,
CVE-2023-25737, CVE-2023-25738, CVE-2023-25739, CVE-2023-25742,
CVE-2023-25743, CVE-2023-25744, and CVE-2023-25746.
* gnu/packages/gnuzilla.scm (%icecat-version, %icecat-build-id): Update.
(icecat-source): Update gnuzilla commit, base version, and hashes.
Remove the dependency on the Perl 'rename' program.
* gnu/packages/patches/icecat-makeicecat.patch: Update to apply cleanly.