Register 0.5.4

[scheinerman]

@JuliaRegistrator register

Release notes:

dual function now works for both canonical and standard tableaux.

[JuliaRegistrator]

Registration pull request created: JuliaRegistries/General/147870

Tagging

After the above pull request is merged, it is recommended that a tag is created on this repository for the registered package version.

This will be done automatically if the Julia TagBot GitHub Action is installed, or can be done manually through the github interface, or via:

git tag -a v0.5.4 -m "<description of version>" 1e1a606402722b1f8e99c3f7e1c2a156b7e90afd
git push origin v0.5.4