chore(deps): update dependency karma-firefox-launcher to ^2.1.2

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
karma-firefox-launcher	^2.1.0 -> ^2.1.2

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Release Notes

karma-runner/karma-firefox-launcher

v2.1.2

Compare Source

Bug Fixes

• launcher does not kill firefox.exe on WSL (3954ad4), closes /github.com/karma-runner/karma-firefox-launcher/issues/101#issuecomment-891850143

v2.1.1

Compare Source

Bug Fixes

• update name of Developer Edition on macOS (a0b5e58)

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Configuration

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[codecov]

Codecov Report

Merging #385 (c0eb3a6) into master (85a7ae0) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #385   +/-   ##
=======================================
  Coverage   85.91%   85.91%           
=======================================
  Files          14       14           
  Lines         653      653           
  Branches      175      175           
=======================================
  Hits          561      561           
  Misses         92       92           

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