Add ProcessProvider to ProfileProvider

[waahm7]

Description of changes:

• The current implementation breaks the use case of profileA assuming the role of profileB, and profileB uses process credentials. To fix that, make the ProcessProvider part of the profile provider.

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 80.41%. Comparing base (d789525) to head (8f3bb57).

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #245      +/-   ##
==========================================
- Coverage   80.44%   80.41%   -0.03%     
==========================================
  Files          33       33              
  Lines        6038     6034       -4     
==========================================
- Hits         4857     4852       -5     
- Misses       1181     1182       +1     

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