Update dependencies (#227)

Author: bedrich-schindler

gatsby-config.js

@@ -5,7 +5,9 @@ module.exports = {
         cssLoaderOptions: {
           localIdentName: '[name]__[local]__[hash:base64:8]',
         },
-        includePaths: ['../node_modules'],
+        sassOptions: {
+          includePaths: ['../node_modules'],
+        },
         sassRuleModulesTest: /\.scss$/,
       },
       resolve: 'gatsby-plugin-sass',