fix: redact the Authorization HTTP header from log

[bednar]

Proposed Changes

Redacted Authorization HTTP header from log.

Checklist

• CHANGELOG.md updated
• Rebased/mergeable
• A test has been added if appropriate
• dotnet test completes successfully
• Commit messages are conventional
• Sign CLA (if not already signed)

[codecov-commenter]

Codecov Report

Merging #330 (c8747a1) into master (7cc2413) will increase coverage by 0.01%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master     #330      +/-   ##
==========================================
+ Coverage   87.36%   87.37%   +0.01%     
==========================================
  Files          76       76              
  Lines        6631     6637       +6     
==========================================
+ Hits         5793     5799       +6     
  Misses        838      838              

Impacted Files	Coverage Δ
Client.Core/Internal/LoggingHandler.cs	97.72% <100.00%> (+0.16%)	⬆️

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