Update dependency ts-jest to v26.1.0

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
ts-jest (source)	devDependencies	minor	26.0.0 -> 26.1.0

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Release Notes

kulshekhar/ts-jest

v26.1.0

Compare Source

Bug Fixes

• typing: don't mark BabelConfig as internal type (#​1667) (558c307), closes #​1666

Features

• config: show a warning message when TypeScript target version doesn't match with recommended NodeJs version (#​1678) (085bdf5)
• config: support multiple paths for pathsToModuleNameMapper (#​1690) (a727bd5)
• support TypeScript 3.9 (#​1653) (fc3d5ad)

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[codecov]

Codecov Report

Merging #50 into master will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##            master       #50   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           16        16           
  Lines          305       305           
  Branches        49        49           
=========================================
  Hits           305       305           

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

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