fix(pactus-shell): pactus shell support basic auth

[Ja7ad]

Description

Before pactus shell don't pass authentication basic auth for gRPC, currently supported and pass switchs:

• --auth-username
• --auth-password

Related issue(s)

• Fixes Should return error if gRPC has no password, but calls with username and password #1376

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 13 lines in your changes missing coverage. Please review.

Project coverage is 76.50%. Comparing base (472c347) to head (b0f3afc).
Report is 16 commits behind head on main.

❗ Current head b0f3afc differs from pull request most recent head 5599bc1

Please upload reports for the commit 5599bc1 to get more accurate results.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1384      +/-   ##
==========================================
- Coverage   77.16%   76.50%   -0.66%     
==========================================
  Files         233      212      -21     
  Lines       11941    10949     -992     
==========================================
- Hits         9214     8377     -837     
+ Misses       2305     2177     -128     
+ Partials      422      395      -27