fix(credential-providers): use modified region resolver for inner STS clients #7456
      
        
          +2,029
        
        
          −255
        
        
          
        
      
    
  
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Issue
#5105
Description
add env and config file region to region resolution path of inner STS clients for AssumeRole credential providers
Testing
CI and new integ tests
Checklist
*.integ.spec.ts).@publictag and enable doc generation on the package?