feat: Add native Go 1.23 iterator support for cursor-based pagination

[gmlewis]

Fixes: #3964.

cc: @alexandear

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 93.63%. Comparing base (5126e84) to head (af11dfa).

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #3965      +/-   ##
==========================================
+ Coverage   93.60%   93.63%   +0.02%     
==========================================
  Files         204      204              
  Lines       17411    17473      +62     
==========================================
+ Hits        16298    16360      +62     
  Misses        912      912              
  Partials      201      201              

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[gmlewis]

@Not-Dhananjay-Mishra - feel free to review if you are currently online. I saw your emojis above. 😂

[alexandear]

Should we also extend README and example_iterators_test.go?

[gmlewis]

Should we also extend README and example_iterators_test.go?

I just updated the README.md and was starting to update example_iterators_test.go but the cursor-based pagination example looks absolutely identical to the existing example, so I decided that it was unnecessary. Thoughts?

[alexandear]

Should we also extend README and example_iterators_test.go?

I just updated the README.md and was starting to update example_iterators_test.go but the cursor-based pagination example looks absolutely identical to the existing example, so I decided that it was unnecessary. Thoughts?

Updating README is enough, thanks.