Change Set credencial

[viniciussousazup]

- What I did

• added a better error msg when user not set credencial
• change default provider to use type "secret" instead of "password"
• change default provider names to same as master

- How to verify it

- Description for the changelog

[codecov-commenter]

Codecov Report

Merging #321 into ritchie-2.0.0 will increase coverage by 0.10%.
The diff coverage is 100.00%.

@@                Coverage Diff                @@
##           ritchie-2.0.0     #321      +/-   ##
=================================================
+ Coverage          65.18%   65.29%   +0.10%     
=================================================
  Files                 78       78              
  Lines               2548     2550       +2     
=================================================
+ Hits                1661     1665       +4     
+ Misses               724      723       -1     
+ Partials             163      162       -1     

Impacted Files	Coverage Δ
pkg/credential/finder.go	68.42% <100.00%> (+15.47%)	⬆️
pkg/credential/settings.go	86.40% <100.00%> (ø)

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