Bump node-sass from 4.11.0 to 4.12.0 in /build

Bumps [node-sass](https://github.com/sass/node-sass) from 4.11.0 to 4.12.0.
- [Release notes](https://github.com/sass/node-sass/releases)
- [Changelog](https://github.com/sass/node-sass/blob/master/CHANGELOG.md)
- [Commits](https://github.com/sass/node-sass/compare/v4.11.0...v4.12.0)

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

build/package-lock.json

@@ -2614,9 +2614,9 @@
       }
     },
     "js-base64": {
-      "version": "2.4.9",
-      "resolved": "https://registry.npmjs.org/js-base64/-/js-base64-2.4.9.tgz",
-      "integrity": "sha512-xcinL3AuDJk7VSzsHgb9DvvIXayBbadtMZ4HFPx8rUszbW1MuNMlwYVC4zzCZ6e1sqZpnNS5ZFYOhXqA39T7LQ==",
+      "version": "2.5.1",
+      "resolved": "https://registry.npmjs.org/js-base64/-/js-base64-2.5.1.tgz",
+      "integrity": "sha512-M7kLczedRMYX4L8Mdh4MzyAMM9O5osx+4FcOQuTvr3A9F2D9S5JXheN0ewNbrvK2UatkTRhL5ejGmGSjNMiZuw==",
       "dev": true
     },
     "js-yaml": {
@@ -2881,18 +2881,6 @@
       "integrity": "sha512-cQKh8igo5QUhZ7lg38DYWAxMvjSAKG0A8wGSVimP07SIUEK2UO+arSRKbRZWtelMtN5V0Hkwh5ryOto/SshYIg==",
       "dev": true
     },
-    "lodash.assign": {
-      "version": "4.2.0",
-      "resolved": "https://registry.npmjs.org/lodash.assign/-/lodash.assign-4.2.0.tgz",
-      "integrity": "sha1-DZnzzNem0mHRm9rrkkUAXShYCOc=",
-      "dev": true
-    },
-    "lodash.clonedeep": {
-      "version": "4.5.0",
-      "resolved": "https://registry.npmjs.org/lodash.clonedeep/-/lodash.clonedeep-4.5.0.tgz",
-      "integrity": "sha1-4j8/nE+Pvd6HJSnBBxhXoIblzO8=",
-      "dev": true
-    },
     "lodash.debounce": {
       "version": "4.0.8",
       "resolved": "https://registry.npmjs.org/lodash.debounce/-/lodash.debounce-4.0.8.tgz",
@@ -2905,12 +2893,6 @@
       "integrity": "sha1-LRd/ZS+jHpObRDjVNBSZ36OCXpk=",
       "dev": true
     },
-    "lodash.mergewith": {
-      "version": "4.6.1",
-      "resolved": "https://registry.npmjs.org/lodash.mergewith/-/lodash.mergewith-4.6.1.tgz",
-      "integrity": "sha512-eWw5r+PYICtEBgrBE5hhlT6aAa75f411bgDz/ZL2KZqYV03USvucsxcHUIlGTDTECs1eunpI7HOV7U+WLDvNdQ==",
-      "dev": true
-    },
     "log4js": {
       "version": "3.0.6",
       "resolved": "https://registry.npmjs.org/log4js/-/log4js-3.0.6.tgz",
@@ -3131,7 +3113,8 @@
       "version": "2.11.1",
       "resolved": "https://registry.npmjs.org/nan/-/nan-2.11.1.tgz",
       "integrity": "sha512-iji6k87OSXa0CcrLl9z+ZiYSuR2o+c0bGuNmXdrhTQTakxytAFsC56SArGYoiHlJlFoHSnvmhpceZJaXkVuOtA==",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "nanomatch": {
       "version": "1.2.13",
@@ -3217,9 +3200,9 @@
       }
     },
     "node-sass": {
-      "version": "4.11.0",
-      "resolved": "https://registry.npmjs.org/node-sass/-/node-sass-4.11.0.tgz",
-      "integrity": "sha512-bHUdHTphgQJZaF1LASx0kAviPH7sGlcyNhWade4eVIpFp6tsn7SV8xNMTbsQFpEV9VXpnwTTnNYlfsZXgGgmkA==",
+      "version": "4.12.0",
+      "resolved": "https://registry.npmjs.org/node-sass/-/node-sass-4.12.0.tgz",
+      "integrity": "sha512-A1Iv4oN+Iel6EPv77/HddXErL2a+gZ4uBeZUy+a8O35CFYTXhgA8MgLCWBtwpGZdCvTvQ9d+bQxX/QC36GDPpQ==",
       "dev": true,
       "requires": {
         "async-foreach": "^0.1.3",
@@ -3229,18 +3212,24 @@
         "get-stdin": "^4.0.1",
         "glob": "^7.0.3",
         "in-publish": "^2.0.0",
-        "lodash.assign": "^4.2.0",
-        "lodash.clonedeep": "^4.3.2",
-        "lodash.mergewith": "^4.6.0",
+        "lodash": "^4.17.11",
         "meow": "^3.7.0",
         "mkdirp": "^0.5.1",
-        "nan": "^2.10.0",
+        "nan": "^2.13.2",
         "node-gyp": "^3.8.0",
         "npmlog": "^4.0.0",
         "request": "^2.88.0",
         "sass-graph": "^2.2.4",
         "stdout-stream": "^1.4.0",
         "true-case-path": "^1.0.2"
+      },
+      "dependencies": {
+        "nan": {
+          "version": "2.13.2",
+          "resolved": "https://registry.npmjs.org/nan/-/nan-2.13.2.tgz",
+          "integrity": "sha512-TghvYc72wlMGMVMluVo9WRJc0mB8KxxF/gZ4YYFy7V2ZQX9l7rgbPg7vjS9mt6U5HXODVFVI2bOduCzwOMv/lw==",
+          "dev": true
+        }
       }
     },
     "nopt": {

build/package.json

@@ -22,7 +22,7 @@
     "karma-junit-reporter": "^1.2.0",
     "karma-phantomjs-launcher": "^1.0.4",
     "karma-viewport": "^1.0.4",
-    "node-sass": "~4.11.0",
+    "node-sass": "~4.12.0",
     "phantomjs-prebuilt": "*",
     "sinon": "<= 5.0.7"
   },