Log Message:
poppler*: update to 23.06.0

Release 23.06.0:
        core:
         * CairoOutputDev: Fix crash when doing type3 rendering
         * Fix crash with unknown signature hashing algorithms
         * Add gpgme backend for signature handling
         * Windows: Fix crash when signing existing signature
         * FontInfo: Make it return proper information about font substitution
         * FontInfo: Try harder to get Type 3 font name
         * Store embedded fonts widths table in a more effective manner
         * Skip font lookup for nonprintable characters
         * Windows: Look for fonts in both windows font dir and poppler fonts dir
         * Windows: symbol.ttf is not a good Symbol font
         * Windows: Fix memory leak when looking for fonts
         * Fix crash on malformed files

        qt5:
         * Add API to allow selecting signature backend (nss or gpgme)
         * Convert embedded files to bytearray a bit smarter

        qt6:
         * Add API to allow selecting signature backend (nss or gpgme)
         * Convert embedded files to bytearray a bit smarter