Drop support for Python 3.5, 3.6 versions

[Laerte]

No description provided.

[codecov]

Codecov Report

Base: 98.23% // Head: 98.30% // Increases project coverage by +0.07% 🎉

Coverage data is based on head (807dc43) compared to base (0f5d9c5).
Patch coverage: 100.00% of modified lines in pull request are covered.

❗ Current head 807dc43 differs from pull request most recent head 6d9f97e. Consider uploading reports for the commit 6d9f97e to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1097      +/-   ##
==========================================
+ Coverage   98.23%   98.30%   +0.07%     
==========================================
  Files         232      232              
  Lines        2604     2600       -4     
==========================================
- Hits         2558     2556       -2     
+ Misses         46       44       -2     

Impacted Files	Coverage Δ
dateparser/date.py	100.00% <100.00%> (+0.71%)	⬆️

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[Gallaecio]

Awesome!