The options that handle outcomes now have sensible defaults

[martintmk]

Details on the issue fix or feature implementation

Closes #1313

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 #1316 (f16ca6c) into main (4524822) will increase coverage by 0.05%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main    #1316      +/-   ##
==========================================
+ Coverage   83.28%   83.33%   +0.05%     
==========================================
  Files         264      264              
  Lines        6301     6320      +19     
  Branches      997     1000       +3     
==========================================
+ Hits         5248     5267      +19     
  Misses        844      844              
  Partials      209      209              

Flag	Coverage Δ
linux	?
macos	83.33% <100.00%> (+0.05%)	⬆️
windows	83.33% <100.00%> (?)

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

Impacted Files	Coverage Δ
...re/CircuitBreaker/CircuitBreakerStrategyOptions.cs	100.00% <100.00%> (ø)
...lly.Core/Hedging/HedgingStrategyOptions.TResult.cs	100.00% <100.00%> (ø)
...c/Polly.Core/Retry/RetryStrategyOptions.TResult.cs	100.00% <100.00%> (ø)

... and 4 files with indirect coverage changes