fix(config): respect api_protocol in config

[profclems]

Fixes #270

[codecov]

Codecov Report

Merging #275 into trunk will increase coverage by 0.09%.
The diff coverage is 76.92%.

@@            Coverage Diff             @@
##            trunk     #275      +/-   ##
==========================================
+ Coverage   46.05%   46.15%   +0.09%     
==========================================
  Files         113      113              
  Lines        5977     5982       +5     
==========================================
+ Hits         2753     2761       +8     
+ Misses       2924     2922       -2     
+ Partials      300      299       -1     

Impacted Files	Coverage Δ
pkg/api/client.go	34.54% <33.33%> (ø)
commands/cmdutils/factory.go	69.23% <80.00%> (+0.48%)	⬆️
cmd/glab/main.go	45.58% <100.00%> (+2.10%)	⬆️
internal/glinstance/host.go	100.00% <100.00%> (ø)
internal/config/config_type.go	81.23% <0.00%> (+0.56%)	⬆️

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