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

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

These checks were done:

- built on NixOS
- Warning: no invocation of /nix/store/5zjr9idl48c08apan8gh45wh971i49i9-firejail-0.9.54/bin/firejail had a zero exit code or showed the expected version
- /nix/store/5zjr9idl48c08apan8gh45wh971i49i9-firejail-0.9.54/bin/firemon passed the binary check.
- /nix/store/5zjr9idl48c08apan8gh45wh971i49i9-firejail-0.9.54/bin/firecfg passed the binary check.
- 2 of 3 passed binary check by having a zero exit code.
- 2 of 3 passed binary check by having the new version present in output.
- found 0.9.54 with grep in /nix/store/5zjr9idl48c08apan8gh45wh971i49i9-firejail-0.9.54
- directory tree listing: https://gist.github.com/3fb76054296d9e45fea3c47ae6a9f03f
- du listing: https://gist.github.com/a732bad0be0159f527ca4e8c532400ed

firejail: 0.9.52 -> 0.9.54