feat: added option to only fetch toolchain metadata without installation

[soumyamahunt]

No description provided.

[codecov]

Codecov Report

Patch coverage: 50.00% and project coverage change: +34.35% 🎉

Comparison is base (670591a) 50.90% compared to head (8bf8022) 85.26%.
Report is 3 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff             @@
##             main       #5       +/-   ##
===========================================
+ Coverage   50.90%   85.26%   +34.35%     
===========================================
  Files          24       24               
  Lines         770      787       +17     
  Branches      120      127        +7     
===========================================
+ Hits          392      671      +279     
+ Misses        357      112      -245     
+ Partials       21        4       -17     

Files Changed	Coverage Δ
src/installer/verify.ts	100.00% <ø> (+54.54%)	⬆️
src/main.ts	0.00% <0.00%> (ø)
src/platform/linux.ts	84.44% <0.00%> (ø)
src/platform/windows.ts	42.85% <0.00%> (ø)
src/platform/xcode.ts	85.95% <0.00%> (ø)
src/installer/xcode.ts	89.39% <66.66%> (+77.27%)	⬆️
src/installer/base.ts	88.63% <100.00%> (+76.63%)	⬆️
src/utils/gpg.ts	100.00% <100.00%> (+85.29%)	⬆️
src/utils/visual_studio.ts	90.69% <100.00%> (+73.19%)	⬆️
src/version/latest.ts	100.00% <100.00%> (ø)
... and 1 more

... and 4 files with indirect coverage changes

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