Split contains, maxContains and minContains beetween applicator and validation vocabulary

[nezhar]

This is an addition to https://github.com/Julian/jsonschema/pull/924/ in order to provide support vor contains, maxContains and minContains based on the defined vocabulary in the meta schema. Before the 3 keywords where handled in contains, but since they are part of diefrent vocabularies, they should be handled on their own.

[codecov[bot]]

Codecov Report

Merging #925 (5964fca) into main (ee5d31a) will decrease coverage by 0.05%. The diff coverage is 94.73%.

@@            Coverage Diff             @@
##             main     #925      +/-   ##
==========================================
- Coverage   97.02%   96.96%   -0.06%     
==========================================
  Files          20       20              
  Lines        3295     3362      +67     
  Branches      458      478      +20     
==========================================
+ Hits         3197     3260      +63     
- Misses         77       79       +2     
- Partials       21       23       +2     

Impacted Files	Coverage Δ
jsonschema/tests/test_jsonschema_test_suite.py	82.35% <ø> (ø)
jsonschema/_validators.py	98.57% <82.60%> (-1.43%)	:arrow_down:
jsonschema/tests/test_validators.py	98.09% <100.00%> (ø)
jsonschema/validators.py	97.54% <100.00%> (+0.45%)	:arrow_up:

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[Julian]

This is going to require some significant changes (and new API), so with apologies (especially for again having these sit here), I'm going to close this for now.