fix fields module name for pydantic v1

[koxudaxi]

The PR fix fields module name.
Pydantic v1 change Schema to Field.

Related issues

pydantic/pydantic#577

[codecov]

Codecov Report

Merging #71 into master will increase coverage by 1.75%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##             master      #71      +/-   ##
============================================
+ Coverage     77.56%   79.31%   +1.75%     
  Complexity       80       80              
============================================
  Files             7        7              
  Lines           361      382      +21     
  Branches        128      146      +18     
============================================
+ Hits            280      303      +23     
  Misses           25       25              
+ Partials         56       54       -2

Impacted Files	Coverage Δ	Complexity Δ
src/com/koxudaxi/pydantic/Pydantic.kt	80% <ø> (+9.62%)	0 <0> (ø)	⬇️
src/com/koxudaxi/pydantic/PydanticInspection.kt	81.48% <0%> (+3.7%)	2% <0%> (ø)	⬇️

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