Semi-automatic update generated by https://github.com/ryantm/nixpkgs-update tools.

This update was made based on information from https://repology.org/metapackage/poppler-utils/versions.

These checks were done:

- built on NixOS
- ran ‘/nix/store/k4ir4j8s5skczlgnscf0gfvxp1kpv2ll-poppler-utils-0.64.0/bin/pdftoppm -h’ got 0 exit code
- ran ‘/nix/store/k4ir4j8s5skczlgnscf0gfvxp1kpv2ll-poppler-utils-0.64.0/bin/pdftoppm --help’ got 0 exit code
- ran ‘/nix/store/k4ir4j8s5skczlgnscf0gfvxp1kpv2ll-poppler-utils-0.64.0/bin/pdftocairo -h’ got 0 exit code
- ran ‘/nix/store/k4ir4j8s5skczlgnscf0gfvxp1kpv2ll-poppler-utils-0.64.0/bin/pdftocairo --help’ got 0 exit code
- ran ‘/nix/store/k4ir4j8s5skczlgnscf0gfvxp1kpv2ll-poppler-utils-0.64.0/bin/pdffonts -h’ got 0 exit code
- ran ‘/nix/store/k4ir4j8s5skczlgnscf0gfvxp1kpv2ll-poppler-utils-0.64.0/bin/pdffonts --help’ got 0 exit code
- ran ‘/nix/store/k4ir4j8s5skczlgnscf0gfvxp1kpv2ll-poppler-utils-0.64.0/bin/pdfimages -h’ got 0 exit code
- ran ‘/nix/store/k4ir4j8s5skczlgnscf0gfvxp1kpv2ll-poppler-utils-0.64.0/bin/pdfimages --help’ got 0 exit code
- ran ‘/nix/store/k4ir4j8s5skczlgnscf0gfvxp1kpv2ll-poppler-utils-0.64.0/bin/pdfinfo -h’ got 0 exit code
- ran ‘/nix/store/k4ir4j8s5skczlgnscf0gfvxp1kpv2ll-poppler-utils-0.64.0/bin/pdfinfo --help’ got 0 exit code
- ran ‘/nix/store/k4ir4j8s5skczlgnscf0gfvxp1kpv2ll-poppler-utils-0.64.0/bin/pdftops -h’ got 0 exit code
- ran ‘/nix/store/k4ir4j8s5skczlgnscf0gfvxp1kpv2ll-poppler-utils-0.64.0/bin/pdftops --help’ got 0 exit code
- ran ‘/nix/store/k4ir4j8s5skczlgnscf0gfvxp1kpv2ll-poppler-utils-0.64.0/bin/pdftotext -h’ got 0 exit code
- ran ‘/nix/store/k4ir4j8s5skczlgnscf0gfvxp1kpv2ll-poppler-utils-0.64.0/bin/pdftotext --help’ got 0 exit code
- ran ‘/nix/store/k4ir4j8s5skczlgnscf0gfvxp1kpv2ll-poppler-utils-0.64.0/bin/pdftohtml -h’ got 0 exit code
- ran ‘/nix/store/k4ir4j8s5skczlgnscf0gfvxp1kpv2ll-poppler-utils-0.64.0/bin/pdftohtml --help’ got 0 exit code
- ran ‘/nix/store/k4ir4j8s5skczlgnscf0gfvxp1kpv2ll-poppler-utils-0.64.0/bin/pdfseparate -h’ got 0 exit code
- ran ‘/nix/store/k4ir4j8s5skczlgnscf0gfvxp1kpv2ll-poppler-utils-0.64.0/bin/pdfseparate --help’ got 0 exit code
- ran ‘/nix/store/k4ir4j8s5skczlgnscf0gfvxp1kpv2ll-poppler-utils-0.64.0/bin/pdfunite -h’ got 0 exit code
- ran ‘/nix/store/k4ir4j8s5skczlgnscf0gfvxp1kpv2ll-poppler-utils-0.64.0/bin/pdfunite --help’ got 0 exit code
- found 0.64.0 with grep in /nix/store/k4ir4j8s5skczlgnscf0gfvxp1kpv2ll-poppler-utils-0.64.0
- directory tree listing: https://gist.github.com/c3d0cef388a4d423d47e26ff96c1ffd0

poppler: 0.63.0 -> 0.64.0