fix: make memoize safe for args/kwargs

[Nytelife26]

This relates to...

The addition of decorators to memoized checks. This blocks
#1188.

Rationale

Without this fix, memoization cannot be applied to decorated
functions, which is necessary to convert meta-checks as
discussed.

Changes

• fix bug where memoize raises an error for decorated
  functions

Features

N/A.

Bug Fixes

• fix bug where memoize raises an error for decorated
  functions

Breaking Changes and Deprecations

N/A.

[codecov]

Codecov Report

Merging #1217 (5246dcd) into main (22fc284) will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##             main    #1217   +/-   ##
=======================================
  Coverage   94.31%   94.32%           
=======================================
  Files          83       83           
  Lines        1144     1145    +1     
=======================================
+ Hits         1079     1080    +1     
  Misses         65       65           

Flag	Coverage Δ
macos-latest	94.32% <100.00%> (+<0.01%)	⬆️
py3.6	93.73% <100.00%> (+<0.01%)	⬆️
py3.7	93.73% <100.00%> (+<0.01%)	⬆️
py3.8	94.32% <100.00%> (+<0.01%)	⬆️
py3.9	94.32% <100.00%> (+<0.01%)	⬆️
pypypy3	93.73% <100.00%> (+<0.01%)	⬆️
ubuntu-latest	94.32% <100.00%> (+<0.01%)	⬆️
windows-latest	94.32% <100.00%> (+<0.01%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
proselint/tools.py	86.71% <100.00%> (+0.04%)	⬆️

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