Got rid of IDE0044 warnings

[baranyaimate]

The issue or feature being addressed

Contributes to #1290

Details on the issue fix or feature implementation

Got rid of IDE0044 warnings in the Polly project

Confirm the following

• I started this PR by branching from the head of the default branch
• I have targeted the PR to merge into the default branch
• I have included unit tests for the issue/feature
• I have successfully run a local build

[baranyaimate]

@dotnet-policy-service agree

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (0e134b5) 84.79% compared to head (cc8b71b) 84.79%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1928   +/-   ##
=======================================
  Coverage   84.79%   84.79%           
=======================================
  Files         312      312           
  Lines        6893     6893           
  Branches     1056     1056           
=======================================
  Hits         5845     5845           
  Misses        839      839           
  Partials      209      209           

Flag	Coverage Δ
linux	84.79% <100.00%> (ø)
macos	84.79% <100.00%> (ø)
windows	84.79% <100.00%> (ø)

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[martincostello]

Thanks!