CLSA-2025-1757662747 gdk-pixbuf2: Fix of CVE-2025-7345

CVE-2025-7345: fix heap buffer overflow during base64 encoding in gdkpixbufjpegimageloadincrement...

SUSE-SU-2025:20694-1 Security update for gdk-pixbuf

This update for gdk-pixbuf fixes the following issues: - CVE-2025-7345: Uninitialized memory could lead to leak arbitrary memory contents bsc1246114. - CVE-2025-6199: Heap buffer overflow within the gdkpixbufjpegimageloadincrement function bsc1245227...