feat: add Dataset.apply_pipeline()

[dkrako]

Context

Resolves #388 #385

requires:

• test: add global dataset fixtures #1001
• feat: support passing DatasetDefinition to gaze init and io #1004

[codecov]

Codecov Report

Attention: Patch coverage is 50.00000% with 1 line in your changes missing coverage. Please review.

Project coverage is 99.97%. Comparing base (38c78f8) to head (a0043a8).
Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
src/pymovements/dataset/dataset.py	50.00%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##              main    #1005      +/-   ##
===========================================
- Coverage   100.00%   99.97%   -0.03%     
===========================================
  Files           78       79       +1     
  Lines         3557     3569      +12     
  Branches       622      622              
===========================================
+ Hits          3557     3568      +11     
- Misses           0        1       +1     

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