Security update for tiff

This update for tiff fixes the following issues: Updated TIFFMergeFieldInfo with readcount=writecount=0 for FIELDIGNORE bsc1243503 CVE-2025-8176: Fixed heap use-after-free in tools/tiffmedian.c bsc1247108 CVE-2025-8177: Fixed possible buffer overflow in tools/thumbnail.c:setrow when processing...