Update node-sass in app/angular from 4.8.2 to 4.8.3

[dependencies]

Dependencies.io has updated node-sass (a npm dependency in app/angular) from "4.8.2" to "4.8.3".

4.8.3

Features

• Bump LibSass to Atom (Update 8 dependencies from npm #2294)

Fixes

• Fix crash with custom importers on node 9 (Update 2 dependencies from npm #2293)

Supported Environments

OS	Architecture	Node
Windows	x86 & x64	0.10, 0.12, 1, 2, 3, 4, 5, 6, 7, 8, 9
OSX	x64	0.10, 0.12, 1, 2, 3, 4, 5, 6, 7, 8, 9
Linux*	x86 & x64	0.10, 0.12, 1, 2, 3, 4, 5, 6, 7, 8**, 9**
Alpine Linux	x64	4, 6, 7, 8, 9
FreeBSD 10+	amd64	4, 6, 8, 9
FreeBSD 10+	i386	4, 6, 8, 9

*Linux support refers to Ubuntu, Debian, and CentOS 5+
** Node 8 and 9 are not supported on CentOS 5

[codecov]

Codecov Report

Merging #3239 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #3239   +/-   ##
=======================================
  Coverage   35.95%   35.95%           
=======================================
  Files         437      437           
  Lines        9473     9473           
  Branches      894      882   -12     
=======================================
  Hits         3406     3406           
+ Misses       5518     5491   -27     
- Partials      549      576   +27

Impacted Files	Coverage Δ
app/vue/src/server/utils.js	0% <0%> (-100%)	⬇️
lib/core/src/client/preview/syncUrlWithStore.js	40.9% <0%> (ø)	⬆️
lib/ui/src/modules/ui/routes.js	0% <0%> (ø)	⬆️
lib/ui/src/modules/ui/containers/routed_link.js	22.72% <0%> (ø)	⬆️
addons/actions/src/lib/util/prepareArguments.js	57.14% <0%> (ø)	⬆️
addons/info/src/components/Story.js	88.03% <0%> (ø)	⬆️
lib/ui/src/modules/ui/components/search_box.js	36.36% <0%> (ø)	⬆️
addons/info/src/components/types/PrettyPropType.js	86% <0%> (ø)	⬆️
lib/ui/src/modules/ui/configs/handle_keyevents.js	33.33% <0%> (ø)	⬆️
addons/storysource/src/loader/generate-helpers.js	48.1% <0%> (ø)	⬆️
... and 51 more

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