fix: Allow build-path to be in a different drive than current sketch

[cmaglie]

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What kind of change does this PR introduce?

This issue is mainly seen on Windows.

What is the current behavior?

(copied from original issue: #2156)

$ arduino-cli sketch new "e:/FooSketch"
Sketch created in: e:\FooSketch

$ arduino-cli compile --build-path "c:/Users/per/AppData/Local/Temp/build-path" --fqbn arduino:avr:uno "e:/FooSketch"
Error during build: Cannot find build path: Rel: can't make c:\Users\per\AppData\Local\Temp\build-path relative to E:\FooSketch

What is the new behavior?

Compiles succeed as expected.

Does this PR introduce a breaking change, and is titled accordingly?

No

Other information

The actual patch is here: arduino/go-paths-helper#20

Fix #2156

[codecov]

Codecov Report

Patch coverage: 60.00% and project coverage change: +0.02 🎉

Comparison is base (ad9ddb8) 62.49% compared to head (6836ad6) 62.51%.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2163      +/-   ##
==========================================
+ Coverage   62.49%   62.51%   +0.02%     
==========================================
  Files         223      223              
  Lines       19472    19462      -10     
==========================================
- Hits        12169    12167       -2     
+ Misses       6205     6201       -4     
+ Partials     1098     1094       -4     

Flag	Coverage Δ
unit	62.51% <60.00%> (+0.02%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
arduino/sketch/sketch.go	79.31% <0.00%> (ø)
commands/compile/compile.go	69.56% <50.00%> (+1.24%)	⬆️
arduino/cores/packagemanager/install_uninstall.go	54.42% <100.00%> (+0.08%)	⬆️

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