Fix invalid version "1.0.1alpha1" (npm breaks) - bump some dependencies in preparation for python3

Author: benjaoming

package.json

@@ -1,7 +1,7 @@
 {
   "name": "sphinx_rtd_theme",
   "main": "js/theme.js",
-  "version": "1.0.1alpha1",
+  "version": "1.1.0-alpha.0",
   "scripts": {
     "dev": "webpack-dev-server --open --config webpack.dev.js",
     "build": "webpack --config webpack.prod.js",
@@ -20,7 +20,7 @@
   "dependencies": {},
   "devDependencies": {
     "bourbon": "~4.3",
-    "bourbon-neat": "~1.9",
+    "bourbon-neat": "~4.0",
     "copy-webpack-plugin": "^5.1.2",
     "css-loader": "^3.6.0",
     "file-loader": "^3.0.1",
@@ -30,7 +30,8 @@
     "jquery": "^3.6.0",
     "lato-font": "^3.0.0",
     "mini-css-extract-plugin": "^0.6.0",
-    "node-sass": "^4.13.1",
+    "node-sass": "^5.0.0",
+    "node-gyp": "^7.1.0",
     "optimize-css-assets-webpack-plugin": "^5.0.4",
     "roboto-fontface": "^0.10.0",
     "sass-loader": "^7.3.0",