poppler: Update to version 22.02.0

poppler: Update to version 22.02.0

- Update from 21.11.0 to 22.02.0
- Update of rootfile
- Changelog
    Release 22.02.0:
        core:
         * Signature: Add a way to detect unsigned FormFieldSignature
         * Signature: Suport background image when using left and right text
         * Signature: Fix path where to search for Firefox NSS in Windows
         * Signature: Fix NSS code to work correctly in Windows/Android
         * Count only signature fields in PDFDoc::getNumSignatureFields
         * Minor code improvements
        qt:
         * Allow signing unsigned signature fields
         * Allow passing a background image for the signature when signing
         * Allow passing the document password when signing
         * Fix leftFontSize being ignored when signing
        glib:
         * try with utf8 password if latin1 fails
         * New method for getting all signature fields of a document
         * Fix compile with MSVC
        utils:
         * pdfsig: Fix compile with MSVC
        build system:
         * Fix NSS cmake check for MSVC
    Release 22.01.0:
        core:
         * Allow local (relative to dll) fonts dir on Windows
         * TextOutputDev: require more spacing between columns. Issue #1093
         * Fix crash in Splash::gouraudTriangleShadedFill. Issue #1183
         * Fix crash when calling Form::reset()
         * GfxSeparationColorSpace: Check validity of colorspace and function. Issue #1184
         * Minor code improvements
        glib:
         * Include glib.h before using defines from it
         * Close file descriptors on error
         * Plug some memory leaks
         * Replace use of deprecated g_memdup/g_time_zone_new
         * Remove FD-taking functions on windows
        utils:
         * pdfsig: Add support for documents with passwords
         * pdfsig: Fix signing with -sign if nss password is needed
    Release 21.12.0:
        core:
         * Add API to add images
         * CairoOutputDev: Fix de-duping of Flate images
         * Fix crash on broken files when using non-default ENABLE_ZLIB_UNCOMPRESS. Issue #393
         * Minor code improvements
        glib:
         * Add API for validation of signatures
         * Add API to read/save to file descriptor
        utils:
         * pdftohtml: Reduce sensitivity of duplicate detection. Issue #1117
        build system:
         * Increase C++ standard to 17

Signed-off-by: Adolf Belka <adolf.belka@ipfire.org>
Reviewed-by: Peter Müller <peter.mueller@ipfire.org>