Build on Linux and macOS

[martincostello]

The issue or feature being addressed

Add CI build for Linux and macOS.

Contributes to #980.

Details on the issue fix or feature implementation

• Update the build.ps1 script to support running on non-Windows platforms.
• Build on Linux and macOS in GitHub Actions.
• Remove redundant parameters from build.ps1.

Confirm the following

• I started this PR by branching from the head of the default branch
• I have targeted the PR to merge into the default branch
• I have included unit tests for the issue/feature
• I have successfully run a local build

[codecov-commenter]

Codecov Report

Merging #996 (18528b8) into main (d3c4e1d) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main     #996   +/-   ##
=======================================
  Coverage   71.17%   71.17%           
=======================================
  Files         137      137           
  Lines        3768     3768           
  Branches      764      764           
=======================================
  Hits         2682     2682           
  Misses        875      875           
  Partials      211      211           

Flag	Coverage Δ
linux	71.17% <ø> (?)
macos	71.17% <ø> (?)
windows	71.17% <ø> (ø)

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