chore: Rename ProjectHistory to ProjectVersion

[kylecarbs]

Version more accurately represents version storage. This
forks from the WorkspaceHistory name, but I think it's
easier to understand Workspace history.

[codecov]

Codecov Report

Merging #165 (7c46342) into main (2b41ac6) will not change coverage.
The diff coverage is 77.92%.

@@           Coverage Diff           @@
##             main     #165   +/-   ##
=======================================
  Coverage   65.37%   65.37%           
=======================================
  Files         106      106           
  Lines        5580     5580           
  Branches       68       68           
=======================================
  Hits         3648     3648           
  Misses       1576     1576           
  Partials      356      356           

Flag	Coverage Δ
unittest-go-macos-latest	62.62% <77.92%> (+0.02%)	⬆️
unittest-go-ubuntu-latest	64.45% <77.92%> (+0.24%)	⬆️
unittest-go-windows-latest	62.42% <77.92%> (+0.10%)	⬆️
unittest-js	64.21% <ø> (ø)

Impacted Files	Coverage Δ
coderd/provisionerdaemons.go	47.21% <56.25%> (ø)
codersdk/workspaces.go	48.36% <60.00%> (ø)
coderd/workspacehistory.go	53.72% <69.23%> (ø)
coderd/projectparameter/projectparameter.go	67.44% <75.00%> (ø)
httpmw/projectversionparam.go	76.47% <76.47%> (ø)
codersdk/projects.go	63.10% <82.35%> (ø)
coderd/projectversion.go	61.14% <88.57%> (ø)
coderd/coderd.go	93.50% <100.00%> (ø)
provisionerd/provisionerd.go	67.95% <100.00%> (ø)
peerbroker/dial.go	76.19% <0.00%> (-4.77%)	⬇️
... and 1 more

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[bryphe-coder]

Thanks for cleaning this up 👍