API Review feedback (1)

[martintmk]

Details on the issue fix or feature implementation

• ResilienceRateLimiter is now disposable
• Dropped OnTimeoutArguments.Exception

Contributes to #1233

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

[codecov]

Codecov Report

Merging #1484 (db2a466) into main (fc58ddc) will increase coverage by 0.01%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main    #1484      +/-   ##
==========================================
+ Coverage   83.88%   83.89%   +0.01%     
==========================================
  Files         278      278              
  Lines        6491     6496       +5     
  Branches     1014     1016       +2     
==========================================
+ Hits         5445     5450       +5     
  Misses        837      837              
  Partials      209      209              

Flag	Coverage Δ
linux	83.89% <100.00%> (+0.01%)	⬆️
macos	83.89% <100.00%> (?)
windows	83.89% <100.00%> (?)

Flags with carried forward coverage won't be shown. Click here to find out more.

Files Changed	Coverage Δ
src/Polly.Core/Timeout/OnTimeoutArguments.cs	100.00% <100.00%> (ø)
...rc/Polly.Core/Timeout/TimeoutResilienceStrategy.cs	100.00% <100.00%> (ø)
src/Polly.RateLimiting/ResilienceRateLimiter.cs	100.00% <100.00%> (ø)