graphics/poppler: update to 0.81.0
Release 0.81.0:
core: * Splash: Always enable support for CMYK rasterization * CairoOutputDev: Check scaled dimensions for 0. Issue #737 * BaseCryptStream: Fix potential uninitialized memory read * SplashBitmap: Fix wrong width condition for splashModeDeviceN8 * Fix crashes in malformed files
PR: 240781
Exp-run by: antoine
Approved by: gnome (kwm, implicit)