Bump karma-firefox-launcher from 1.3.0 to 2.0.0

Bumps [karma-firefox-launcher](https://github.com/karma-runner/karma-firefox-launcher) from 1.3.0 to 2.0.0.
- [Release notes](https://github.com/karma-runner/karma-firefox-launcher/releases)
- [Changelog](https://github.com/karma-runner/karma-firefox-launcher/blob/master/CHANGELOG.md)
- [Commits](https://github.com/karma-runner/karma-firefox-launcher/compare/v1.3.0...v2.0.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

package-lock.json

@@ -6124,12 +6124,6 @@
       "integrity": "sha1-wsNYJlYkfDnqEHyx5mUrb58kUjw=",
       "dev": true
     },
-    "escalade": {
-      "version": "3.0.2",
-      "resolved": "https://registry.npmjs.org/escalade/-/escalade-3.0.2.tgz",
-      "integrity": "sha512-gPYAU37hYCUhW5euPeR+Y74F7BL+IBsV93j5cvGriSaD1aG6MGsqsV1yamRdrWrb2j3aiZvb0X+UBOWpx3JWtQ==",
-      "dev": true
-    },
     "escape-html": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/escape-html/-/escape-html-1.0.3.tgz",
@@ -9214,6 +9208,12 @@
         }
       }
     },
+    "is-docker": {
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/is-docker/-/is-docker-2.1.1.tgz",
+      "integrity": "sha512-ZOoqiXfEwtGknTiuDEy8pN2CfE3TxMHprvNer1mXiqwkOT77Rw3YVrUQ52EqAOU3QAWDQ+bQdx7HJzrv7LS2Hw==",
+      "dev": true
+    },
     "is-extendable": {
       "version": "0.1.1",
       "resolved": "https://registry.npmjs.org/is-extendable/-/is-extendable-0.1.1.tgz",
@@ -10264,19 +10264,32 @@
       }
     },
     "karma-firefox-launcher": {
-      "version": "1.3.0",
-      "resolved": "https://registry.npmjs.org/karma-firefox-launcher/-/karma-firefox-launcher-1.3.0.tgz",
-      "integrity": "sha512-Fi7xPhwrRgr+94BnHX0F5dCl1miIW4RHnzjIGxF8GaIEp7rNqX7LSi7ok63VXs3PS/5MQaQMhGxw+bvD+pibBQ==",
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/karma-firefox-launcher/-/karma-firefox-launcher-2.0.0.tgz",
+      "integrity": "sha512-BVq24Qwa//531LXRwvqu14ba04wcHNAX/m3lFF5v90w1rzUgck1FPBwQqlAIgKfkN5uHjT0PcxUqUNUctbQGVA==",
       "dev": true,
       "requires": {
-        "is-wsl": "^2.1.0"
+        "is-wsl": "^2.2.0",
+        "which": "^2.0.1"
       },
       "dependencies": {
         "is-wsl": {
-          "version": "2.1.1",
-          "resolved": "https://registry.npmjs.org/is-wsl/-/is-wsl-2.1.1.tgz",
-          "integrity": "sha512-umZHcSrwlDHo2TGMXv0DZ8dIUGunZ2Iv68YZnrmCiBPkZ4aaOhtv7pXJKeki9k3qJ3RJr0cDyitcl5wEH3AYog==",
-          "dev": true
+          "version": "2.2.0",
+          "resolved": "https://registry.npmjs.org/is-wsl/-/is-wsl-2.2.0.tgz",
+          "integrity": "sha512-fKzAra0rGJUUBwGBgNkHZuToZcn+TtXHpeCgmkMJMMYx1sQDYaCSyjJBSCa2nH1DGm7s3n1oBnohoVTBaN7Lww==",
+          "dev": true,
+          "requires": {
+            "is-docker": "^2.0.0"
+          }
+        },
+        "which": {
+          "version": "2.0.2",
+          "resolved": "https://registry.npmjs.org/which/-/which-2.0.2.tgz",
+          "integrity": "sha512-BLI3Tl1TW3Pvl70l3yq3Y64i+awpwXqsGBYWkkqMtnbXgrMD+yj7rhW0kuEDxzJaYXGjEW5ogapKNMEKNMjibA==",
+          "dev": true,
+          "requires": {
+            "isexe": "^2.0.0"
+          }
         }
       }
     },

package.json

@@ -79,7 +79,7 @@
     "karma": "^5.0.1",
     "karma-chrome-launcher": "3.1.0",
     "karma-coverage-istanbul-reporter": "^3.0.0",
-    "karma-firefox-launcher": "^1.1.0",
+    "karma-firefox-launcher": "^2.0.0",
     "karma-mocha": "2.0.1",
     "karma-sourcemap-loader": "^0.3.7",
     "karma-webpack": "^4.0.0-rc.2",