Fix args of conint and confloat

[koxudaxi]

conint args have to be int.
confloat args have to be float.

[codecov]

Codecov Report

Merging #128 into master will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##            master      #128   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           12        12           
  Lines          832       832           
  Branches       171       173    +2     
=========================================
  Hits           832       832           

Impacted Files	Coverage Δ
datamodel_code_generator/model/pydantic/types.py	100.00% <ø> (ø)

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