API Review Feedback

[martintmk]

Details on the issue fix or feature implementation

• Simplify property names when the name is clear (i.e. HedgingDelay -> Delay)
• Rename RetryBackoffType to DelayBackoffType to make it more universal as it can be used by other strategies later.
• Rename RetryCount to MaxRetryAttempts to make it alligned with hedging (MaxHedgingAttempts) and to make it clear that retry strategy can exit sooner than that.
• MaxHedgingAttempts with value 1 is now valid. (the initial attempt does not count, similar to how retry strategy works)

Contributes to #1507

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

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 84.11%. Comparing base (daf1529) to head (a50d85a).
⚠️ Report is 935 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1521   +/-   ##
=======================================
  Coverage   84.11%   84.11%           
=======================================
  Files         278      278           
  Lines        6586     6586           
  Branches     1026     1026           
=======================================
  Hits         5540     5540           
  Misses        837      837           
  Partials      209      209           

Flag	Coverage Δ
linux	84.11% <100.00%> (ø)
macos	84.11% <100.00%> (ø)
windows	84.11% <100.00%> (ø)

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