Add all support for Target Leakage

[bchen1116]

fix #4107

[codecov]

Codecov Report

Merging #4106 (a9bf076) into main (b28026c) will increase coverage by 0.1%.
The diff coverage is 100.0%.

@@           Coverage Diff           @@
##            main   #4106     +/-   ##
=======================================
+ Coverage   99.7%   99.7%   +0.1%     
=======================================
  Files        349     349             
  Lines      37752   37770     +18     
=======================================
+ Hits       37635   37653     +18     
  Misses       117     117             

Impacted Files	Coverage Δ
evalml/data_checks/target_leakage_data_check.py	94.9% <100.0%> (-0.1%)	⬇️
...ata_checks_tests/test_target_leakage_data_check.py	100.0% <100.0%> (ø)

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[christopherbunn]

Requested additional test case, but once that is addressed LGTM

[jeremyliweishih]

LGTM

addressed!