[Subhankar] add max numeric metric

[subhankarb]

No description provided.

[codecov]

Codecov Report

Patch coverage: 96.15% and project coverage change: +13.67 🎉

Comparison is base (47db070) 59.74% compared to head (45d7e8d) 73.41%.

Additional details and impacted files

@@             Coverage Diff             @@
##             main       #3       +/-   ##
===========================================
+ Coverage   59.74%   73.41%   +13.67%     
===========================================
  Files          13       13               
  Lines         308      316        +8     
===========================================
+ Hits          184      232       +48     
+ Misses        124       84       -40     

Impacted Files	Coverage Δ
datachecks/core/metric/numeric_metric.py	82.14% <ø> (+28.57%)	⬆️
datachecks/core/datasource/base.py	85.36% <90.90%> (+27.03%)	⬆️
datachecks/core/datasource/opensearch.py	96.15% <100.00%> (+21.15%)	⬆️
datachecks/core/metric/base.py	89.85% <100.00%> (+19.26%)	⬆️

... and 1 file with indirect coverage changes

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