Update dependency @types/jest to v26.0.5

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
@types/jest	devDependencies	patch	26.0.4 -> 26.0.5

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[codeclimate]

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[codecov]

Codecov Report

Merging #103 into master will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##            master      #103   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           16        16           
  Lines          305       305           
  Branches        33        33           
=========================================
  Hits           305       305           

Flag	Coverage Δ
#unittests	100.00% <ø> (ø)

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