Upgrade packages

[corymharper]

This pull request upgrades the packages in the base package, testing project, and documentation website where possible, and provides any needed changes for breaking changes.

I also updated the actions to deal with dropped versions of support for Node in various packages.

[codecov]

Codecov Report

Base: 89.42% // Head: 96.15% // Increases project coverage by +6.73% 🎉

Coverage data is based on head (7b0369d) compared to base (88e5734).
Patch has no changes to coverable lines.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #304      +/-   ##
==========================================
+ Coverage   89.42%   96.15%   +6.73%     
==========================================
  Files           1        1              
  Lines         104      104              
  Branches       33       33              
==========================================
+ Hits           93      100       +7     
+ Misses         11        4       -7     

Impacted Files	Coverage Δ
src/use-dropdown-menu.ts	96.15% <0.00%> (+6.73%)	⬆️

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