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

Author: renovate-bot

package.json

@@ -62,7 +62,7 @@
     "karma-chai": "^0.1.0",
     "karma-chrome-launcher": "^3.1.0",
     "karma-coverage-istanbul-reporter": "^3.0.3",
-    "karma-firefox-launcher": "^2.1.0",
+    "karma-firefox-launcher": "^2.1.2",
     "karma-mocha": "^2.0.1",
     "karma-mocha-reporter": "^2.2.5",
     "karma-sinon": "^1.0.5",

yarn.lock

@@ -5013,10 +5013,10 @@ karma-coverage-istanbul-reporter@^3.0.3:
     istanbul-reports "^3.0.2"
     minimatch "^3.0.4"
 
-karma-firefox-launcher@^2.1.0:
-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/karma-firefox-launcher/-/karma-firefox-launcher-2.1.0.tgz#d0d328c93dfcf9b46f1ac83b4bb32f43aadb2050"
-  integrity sha512-dkiyqN2R6fCWt78rciOXJLFDWcQ7QEQi++HgebPJlw1y0ycDjGNDHuSrhdh48QG02fzZKK20WHFWVyBZ6CPngg==
+karma-firefox-launcher@^2.1.2:
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/karma-firefox-launcher/-/karma-firefox-launcher-2.1.2.tgz#9a38cc783c579a50f3ed2a82b7386186385cfc2d"
+  integrity sha512-VV9xDQU1QIboTrjtGVD4NCfzIH7n01ZXqy/qpBhnOeGVOkG5JYPEm8kuSd7psHE6WouZaQ9Ool92g8LFweSNMA==
   dependencies:
     is-wsl "^2.2.0"
     which "^2.0.1"