Log Message:
poppler*: update to 21.01.0

Release 21.01.0:
        core:
         * Faster routines for jpeg decoding
         * Fix reading signatures in encrypted files
         * Add white point correction when lcms is used
         * JBIG2Stream: Fix byte counting
         * Fix potential data loss if we try to fetch a non existing Ref after \ 
modifying the document
         * Specifically use DeviceGray instead of DefaultGray for softmasks
         * Fix various issues handling broken files

        utils:
         * pdftocairo: Setmode binary for windows
         * pdfsig: Add hability to digitally sign files
         * pdftoppm: add options to set DeviceGray/DeviceRGB/DeviceCMYK
         * pdftops: add options to set DeviceGray/DeviceRGB/DeviceCMYK
         * pdfimages: Account for rotation in PPI calculation

        qt5:
         * Add hability to digitally sign files

        qt6:
         * Add hability to digitally sign files

        build system:
         * Enable clang-tidy bugprone-signed-char-misuse

Release 20.12.1:
        core:
         * PSOutputDev: fixing regression in the rasterization code. Issue #1002
         * Add missing profile copy operation in GfxICCBasedColorSpace::copy()
         * Fix issue in broken files

        build system:
         * Use modern CMake linking for Qt and boost

Release 20.12.0:
        core:
         * Draw better circles for circle annotations
         * Fix annotation line width if no appearance stream or style are given
         * Tweak rendering of highlight annotations
         * Fix border rendering of some annotations
         * Fix rendering of some files. Issue #976 Issue #567
         * PSOutputDev: provide options to set the rasterization color space and \ 
ICC profile
         * PSOutputDev: for splashModeCMYK8 and language level >=2 activate \ 
overprint emulation
         * PSOutputDev: use the DeviceN8 bitmap for rasterization with \ 
CMYK-output + overprint
         * Use the font name without subset tag when querying for a system font
         * Splash: Fix wrong x adjustment during clipping
         * Splash: Fix blitImage in uncolored tiling patterns
         * timeToDateString: We forgot the ' after the minutes
         * Move psLevel to PSOutputDev creation
         * Fix several issues in broken files

        utils:
         * pdftops: provide options to set the rasterization color space and ICC \ 
profile
         * pdftops: for splashModeCMYK8 and language level >=2 activate \ 
overprint emulation

        cpp:
         * New fuzzers

        glib:
         * New fuzzers

        qt5:
         * New fuzzers

        build system:
         * gcc: Enable -fno-operator-names
         * Remove obsolete bool-to-binary macro
         * Remove obsolete version-check macro for pkgconfig
         * Remove .pc files for private back-ends
         * Remove redundant unit-test macro