Update dependency sass-loader to v7.3.1

package.json

@@ -103,7 +103,7 @@
     "postcss-loader": "3.0.0",
     "raw-loader": "0.5.1",
     "sass": "1.20.1",
-    "sass-loader": "7.2.0",
+    "sass-loader": "7.3.1",
     "selenium-server": "2.53.1",
     "semver": "5.6.0",
     "serviceworker-webpack-plugin": "1.0.1",

yarn.lock

@@ -8551,16 +8551,16 @@ samsam@1.x, samsam@^1.1.3:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/samsam/-/samsam-1.3.0.tgz#8d1d9350e25622da30de3e44ba692b5221ab7c50"
 
-sass-loader@7.2.0:
-  version "7.2.0"
-  resolved "https://registry.yarnpkg.com/sass-loader/-/sass-loader-7.2.0.tgz#e34115239309d15b2527cb62b5dfefb62a96ff7f"
-  integrity sha512-h8yUWaWtsbuIiOCgR9fd9c2lRXZ2uG+h8Dzg/AGNj+Hg/3TO8+BBAW9mEP+mh8ei+qBKqSJ0F1FLlYjNBc61OA==
+sass-loader@7.3.1:
+  version "7.3.1"
+  resolved "https://registry.yarnpkg.com/sass-loader/-/sass-loader-7.3.1.tgz#a5bf68a04bcea1c13ff842d747150f7ab7d0d23f"
+  integrity sha512-tuU7+zm0pTCynKYHpdqaPpe+MMTQ76I9TPZ7i4/5dZsigE350shQWe5EZNl5dBidM49TPET75tNqRbcsUZWeNA==
   dependencies:
     clone-deep "^4.0.1"
     loader-utils "^1.0.1"
     neo-async "^2.5.0"
     pify "^4.0.1"
-    semver "^5.5.0"
+    semver "^6.3.0"
 
 sass@1.20.1:
   version "1.20.1"