Update dependency @types/react to v16.8.11

[renovate]

This PR contains the following updates:

Package	Type	Update	Change	References
@​types/react	devDependencies	patch	16.8.10 -> 16.8.11	source

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[codecov-io]

Codecov Report

Merging #32 into master will not change coverage.
The diff coverage is n/a.

@@          Coverage Diff          @@
##           master    #32   +/-   ##
=====================================
  Coverage     100%   100%           
=====================================
  Files           1      1           
  Lines          28     28           
  Branches        1      1           
=====================================
  Hits           28     28

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