ci(appveyor): update to Node.js v10

Arcanemagus · Arcanemagus · commit d619cc860696 · 2019-09-14T00:48:57.000-07:00
diff --git a/appveyor.yml b/appveyor.yml
@@ -9,7 +9,7 @@ environment:
 
 install:
   # Install Node.js to run any configured linters
-  - ps: Install-Product node 6
+  - ps: Install-Product node 10
   - npm install -g sass-lint
 
 ### Generic setup follows ###
