Update dependency sass-loader to v8

package-lock.json

@@ -12888,24 +12888,58 @@
       }
     },
     "sass-loader": {
-      "version": "7.3.1",
-      "resolved": "https://registry.npmjs.org/sass-loader/-/sass-loader-7.3.1.tgz",
-      "integrity": "sha512-tuU7+zm0pTCynKYHpdqaPpe+MMTQ76I9TPZ7i4/5dZsigE350shQWe5EZNl5dBidM49TPET75tNqRbcsUZWeNA==",
+      "version": "8.0.2",
+      "resolved": "https://registry.npmjs.org/sass-loader/-/sass-loader-8.0.2.tgz",
+      "integrity": "sha512-7o4dbSK8/Ol2KflEmSco4jTjQoV988bM82P9CZdmo9hR3RLnvNc0ufMNdMrB0caq38JQ/FgF4/7RcbcfKzxoFQ==",
       "dev": true,
       "requires": {
         "clone-deep": "^4.0.1",
-        "loader-utils": "^1.0.1",
-        "neo-async": "^2.5.0",
-        "pify": "^4.0.1",
+        "loader-utils": "^1.2.3",
+        "neo-async": "^2.6.1",
+        "schema-utils": "^2.6.1",
         "semver": "^6.3.0"
       },
       "dependencies": {
-        "pify": {
-          "version": "4.0.1",
-          "resolved": "https://registry.npmjs.org/pify/-/pify-4.0.1.tgz",
-          "integrity": "sha512-uB80kBFb/tfd68bVleG9T5GGsGPjJrLAUpR5PZIrhBnIaRTQRjqdJSsIKkOP6OAIFbj7GOrcudc5pNjZ+geV2g==",
+        "ajv": {
+          "version": "6.12.2",
+          "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.2.tgz",
+          "integrity": "sha512-k+V+hzjm5q/Mr8ef/1Y9goCmlsK4I6Sm74teeyGvFk1XrOsbsKLjEdrvny42CZ+a8sXbk8KWpY/bDwS+FLL2UQ==",
+          "dev": true,
+          "requires": {
+            "fast-deep-equal": "^3.1.1",
+            "fast-json-stable-stringify": "^2.0.0",
+            "json-schema-traverse": "^0.4.1",
+            "uri-js": "^4.2.2"
+          }
+        },
+        "ajv-keywords": {
+          "version": "3.4.1",
+          "resolved": "https://registry.npmjs.org/ajv-keywords/-/ajv-keywords-3.4.1.tgz",
+          "integrity": "sha512-RO1ibKvd27e6FEShVFfPALuHI3WjSVNeK5FIsmme/LYRNxjKuNj+Dt7bucLa6NdSv3JcVTyMlm9kGR84z1XpaQ==",
           "dev": true
         },
+        "fast-deep-equal": {
+          "version": "3.1.1",
+          "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-3.1.1.tgz",
+          "integrity": "sha512-8UEa58QDLauDNfpbrX55Q9jrGHThw2ZMdOky5Gl1CDtVeJDPVrG4Jxx1N8jw2gkWaff5UUuX1KJd+9zGe2B+ZA==",
+          "dev": true
+        },
+        "neo-async": {
+          "version": "2.6.1",
+          "resolved": "https://registry.npmjs.org/neo-async/-/neo-async-2.6.1.tgz",
+          "integrity": "sha512-iyam8fBuCUpWeKPGpaNMetEocMt364qkCsfL9JuhjXX6dRnguRVOfk2GZaDpPjcOKiiXCPINZC1GczQ7iTq3Zw==",
+          "dev": true
+        },
+        "schema-utils": {
+          "version": "2.6.6",
+          "resolved": "https://registry.npmjs.org/schema-utils/-/schema-utils-2.6.6.tgz",
+          "integrity": "sha512-wHutF/WPSbIi9x6ctjGGk2Hvl0VOz5l3EKEuKbjPlB30mKZUzb9A5k9yEXRX3pwyqVLPvpfZZEllaFq/M718hA==",
+          "dev": true,
+          "requires": {
+            "ajv": "^6.12.0",
+            "ajv-keywords": "^3.4.1"
+          }
+        },
         "semver": {
           "version": "6.3.0",
           "resolved": "https://registry.npmjs.org/semver/-/semver-6.3.0.tgz",

package.json

@@ -53,7 +53,7 @@
     "progress-bar-webpack-plugin": "1.12.1",
     "raw-loader": "3.1.0",
     "readdirp": "3.1.2",
-    "sass-loader": "7.3.1",
+    "sass-loader": "8.0.2",
     "script-ext-html-webpack-plugin": "2.1.4",
     "source-map-loader": "0.2.4",
     "style-loader": "1.0.0",