prevent caching on brew sync

[bwagner5]

Issue #, if available:
N/A

Description of changes:

• Prevent caching when downloading the github release assets by setting the no-cache header and an arbitrary query string
• Sync to homebrew tap AFTER the release assets have been uploaded :)
• Fix remote origin to use fork instead of actual repo

By submitting this pull request, I confirm that you can use, modify, copy, and redistribute this contribution, under the terms of your choice.

[codecov-commenter]

Codecov Report

Merging #31 into master will decrease coverage by 0.22%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master      #31      +/-   ##
==========================================
- Coverage   90.05%   89.82%   -0.23%     
==========================================
  Files           8        8              
  Lines         875      875              
==========================================
- Hits          788      786       -2     
- Misses         57       58       +1     
- Partials       30       31       +1     

Impacted Files	Coverage Δ
pkg/selector/selector.go	84.36% <0.00%> (-0.95%)	⬇️

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[brycahta]

very cache money 👍🏼