font-manager: 0.7.4.1 -> 0.7.4.2

[wedens]

Motivation for this change

Fixes mimeinfo.cache conflict (#54272 (comment)) and updates to the latest version.

Things done

• Tested using sandboxing (nix.useSandbox on NixOS, or option sandbox in nix.conf on non-NixOS)
• Built on platform(s)
  • NixOS
  • macOS
  • other Linux distributions
• Tested via one or more NixOS test(s) if existing and applicable for the change (look inside nixos/tests)
• Tested compilation of all pkgs that depend on this change using nix-shell -p nox --run "nox-review wip"
• Tested execution of all binary files (usually in ./result/bin/)
• Determined the impact on package closure size (by running nix path-info -S before and after)
• Assured whether relevant documentation is up to date
• Fits CONTRIBUTING.md.

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[dtzWill]

LGTM! There was discussion of possibly a setupHook for the mimeinfo.cache problem but this fixes the immediate problem and is simple to adjust (and harmless if we forget) should the setupHook approach be implemented in the future.