ubifs-utils: libubifs: Update source files from linux kernel 6.13-rc7

ubifs-utils: libubifs: Update source files from linux kernel 6.13-rc7

Update source files from linux kernel 6.13-rc7 aa22f4da2a46.
Following changes since 6.8-rc2 41bccc98fb7931d63:
 1) 60f16e912a53a ("ubifs: fix sort function prototype")
 2) ec724e534dfdd ("ubifs: fix function pointer cast warnings")
 3) 39986148bc2ab ("ubifs: fix kernel-doc warnings")
 4) 94f5b1571ec8d ("ubifs: Convert to use ERR_CAST()")
 5) 4617fb8fc15ef ("ubifs: authentication: Fix use-after-free in
		   ubifs_tnc_end_commit")

Signed-off-by: Zhihao Cheng <chengzhihao1@huawei.com>
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>