update ZFS submodule with open TMPFILE fixes for Linux 6.1 compat

Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>

diff --git a/submodules/zfsonlinux b/submodules/zfsonlinux
index 796e3f981ff4670411f7da2eadd944e4bfc2ff2a..3efcc79c39650c3d720414e957d566926119c4db 160000 (submodule)
--- a/submodules/zfsonlinux
+++ b/submodules/zfsonlinux
@@ -1 +1 @@
-Subproject commit 796e3f981ff4670411f7da2eadd944e4bfc2ff2a
+Subproject commit 3efcc79c39650c3d720414e957d566926119c4db