chore(deps): update dependency @types/jest to v26.0.23

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@types/jest	26.0.21 -> 26.0.23

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[codecov]

Codecov Report

Merging #83 (6194410) into master (6036c0a) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master      #83   +/-   ##
=======================================
  Coverage   99.44%   99.44%           
=======================================
  Files          11       11           
  Lines         362      362           
  Branches       71       71           
=======================================
  Hits          360      360           
  Misses          2        2           

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