Update dependency prop-types to v15.7.1

[renovate]

This PR contains the following updates:

Package	Type	Update	Change	References
prop-types	devDependencies	minor	15.6.2 -> 15.7.1	homepage, source

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Release Notes

facebook/prop-types

v15.7.1

Compare Source

• [Fix] avoid template literal syntax (#​255, #​254)

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[codecov-io]

Codecov Report

Merging #97 into develop will not change coverage.
The diff coverage is n/a.

@@          Coverage Diff           @@
##           develop    #97   +/-   ##
======================================
  Coverage      100%   100%           
======================================
  Files            9      9           
  Lines          122    122           
  Branches        25     25           
======================================
  Hits           122    122

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