Add created and check_suite_id filter for Repository Workflow runs

[treee111]

This PR

This PR adds created and check_suite_id filter, which allows filtering for workflow runs created within the given date-time range and a given Workflow via ID.
For more information on the syntax, see "Understanding the search syntax." API Docs here.

Example usage:

1. Filtering for workflow runs by created on a repository level (all workflows):

g = Github("access_token")
g.get_repo("PyGithub/PyGithub").get_workflow_runs(created="2022-12-24")

2. Filtering for workflow runs by created for a specific workflow

g = Github("access_token")
workflow = g.get_repo("PyGithub/PyGithub").get_workflow("ci.yml")
workflow.get_runs(created="2022-12-24")

superseds #2389

[treee111]

@RuneStone0 @msaperst @joshuataylor could you please test if this still works for you!
I rebased onto main and added the second field.

[msaperst]

@RuneStone0 @msaperst @joshuataylor could you please test if this still works for you! I rebased onto main and added the second field.

This works for me

[msaperst]

lgtm

[EnricoMi]

LGTM!

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 83.33333% with 1 lines in your changes are missing coverage. Please review.

Project coverage is 96.71%. Comparing base (0b8435f) to head (ddcc493).

Files	Patch %	Lines
github/Repository.py	83.33%	1 Missing ⚠️

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Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2891   +/-   ##
=======================================
  Coverage   96.71%   96.71%           
=======================================
  Files         147      147           
  Lines       14877    14883    +6     
=======================================
+ Hits        14388    14394    +6     
  Misses        489      489           

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