Rename core functions, simplify workflow.

[maciekbanas]

No description provided.

[marcinkowskak]

I get stuck at get_commits(git_stats, date_from = "2023-12-01") and can't get any commits. When dug deeper it turns out that when building endpoint to request field until is empty

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 82.66667% with 39 lines in your changes are missing coverage. Please review.

Project coverage is 83.08%. Comparing base (1081673) to head (659e7c9).
Report is 224 commits behind head on devel.

❗ Current head 659e7c9 differs from pull request most recent head 33eee6d. Consider uploading reports for the commit 33eee6d to get more accurate results

Files	Patch %	Lines
R/GitStats.R	81.53%	36 Missing ⚠️
R/EngineGraphQLGitHub.R	0.00%	1 Missing ⚠️
R/EngineRestGitLab.R	66.66%	1 Missing ⚠️
R/gitstats_functions.R	92.85%	1 Missing ⚠️

❗ Your organization needs to install the Codecov GitHub app to enable full functionality.

Additional details and impacted files

@@            Coverage Diff             @@
##            devel     #374      +/-   ##
==========================================
+ Coverage   75.40%   83.08%   +7.67%     
==========================================
  Files          12       14       +2     
  Lines         992     2128    +1136     
==========================================
+ Hits          748     1768    +1020     
- Misses        244      360     +116     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.