update dependencies

data-loader.js

@@ -1,5 +1,5 @@
 const yaml = require('js-yaml');
-const hljs = require('highlightjs');
+const hljs = require('highlight.js');
 const md = require('markdown-it')({
     highlight: function(str, lang) {
         if (lang && hljs.getLanguage(lang)) {

package.json

@@ -10,7 +10,7 @@
     "json": "cross-env NODE_ENV=production webpack --mode production --profile --json > stats.json"
   },
   "dependencies": {
-    "highlightjs": "^9.10.0",
+    "highlight.js": "^9.10.0",
     "markdown-it": "^10.0.0",
     "mathjax-node-page": "^3.0.1",
     "mathjax3": "^3.0.0-beta.2",
@@ -34,9 +34,9 @@
     "cross-env": "^7.0.0",
     "css-loader": "^3.0.0",
     "eslint": "^6.0.1",
-    "eslint-loader": "3.0.2",
+    "eslint-loader": "^3.0.2",
     "eslint-plugin-html": "^6.0.0",
-    "file-loader": "5.0.2",
+    "file-loader": "^5.1.0",
     "html-webpack-plugin": "3.2.0",
     "image-webpack-loader": "^6.0.0",
     "js-yaml": "^3.12.0",