chore(makefile): comment for install-global to clarify linux support only

[mastergaurang94]

refs https://github.com/celestiaorg/celestia-node/issues/3169 && #3197

Instead of make install, I was using make install-global because my path ordered the go/bin last. Took me a bit of time to clarify why the -t option wasn't working, so I had just removed it locally.. Anyway, figured I'd put this up

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 44.66%. Comparing base (2469e7a) to head (baa05d0). Report is 56 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3340      +/-   ##
==========================================
- Coverage   44.83%   44.66%   -0.18%     
==========================================
  Files         265      273       +8     
  Lines       14620    15255     +635     
==========================================
+ Hits         6555     6813     +258     
- Misses       7313     7659     +346     
- Partials      752      783      +31     

:umbrella: View full report in Codecov by Sentry.
:loudspeaker: Have feedback on the report? Share it here.