lint gha job and remove travis

[crazy-max]

use golangci-lint and adds ci validation

this was the last piece in travis so we can remove travis config. I also found the pass tests were not covered because gpg key and pass was not initialized. Now pass tests run both on ci and in the Dockerfile.

[codecov-commenter]

Codecov Report

Merging #231 (f522992) into master (5302241) will increase coverage by 4.11%.
The diff coverage is 66.66%.

@@            Coverage Diff             @@
##           master     #231      +/-   ##
==========================================
+ Coverage   51.13%   55.25%   +4.11%     
==========================================
  Files           9        9              
  Lines         659      666       +7     
==========================================
+ Hits          337      368      +31     
+ Misses        286      255      -31     
- Partials       36       43       +7     

Impacted Files	Coverage Δ
pass/pass.go	65.48% <66.66%> (+24.92%)	⬆️

Help us with your feedback. Take ten seconds to tell us how you rate us. Have a feature suggestion? Share it here.

[thaJeztah]

two comments, but otherwise looks good, thanks!

[thaJeztah]

LGTM, thanks!