chore(deps): update dependency karma-webpack to v4

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
karma-webpack	devDependencies	major	^3.0.0 -> ^4.0.0

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Release Notes

webpack-contrib/karma-webpack

v4.0.2

Compare Source

v4.0.1

Compare Source

v4.0.0

Compare Source

Bug Fixes

• karma-webpack: Override output.filename with '[name].js' (#​381) (2f47250), closes #​322

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[codecov]

Codecov Report

Merging #731 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #731   +/-   ##
=======================================
  Coverage   84.37%   84.37%           
=======================================
  Files          18       18           
  Lines         947      947           
  Branches      209      209           
=======================================
  Hits          799      799           
  Misses         88       88           
  Partials       60       60

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[codecov]

Codecov Report

Merging #731 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #731   +/-   ##
=======================================
  Coverage   84.37%   84.37%           
=======================================
  Files          18       18           
  Lines         947      947           
  Branches      209      209           
=======================================
  Hits          799      799           
  Misses         88       88           
  Partials       60       60

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update be49ca6...0294800. Read the comment docs.