Update deps; yarn -> npm

_config.yml

@@ -31,7 +31,8 @@ skip_render:
 new_post_name: :year/:title.md # File name of new posts
 default_layout: post
 titlecase: false # Transform title into titlecase
-external_link: true # Open external links in new tab
+external_link:
+  enable: true # Open external links in new tab
 filename_case: 1
 render_drafts: false
 post_asset_folder: false

package.json

@@ -1,20 +1,23 @@
 {
   "name": "techblog-djsconsulting-com",
-  "version": "4.1.0",
+  "version": "4.2.0",
   "private": true,
   "hexo": {
-    "version": "4.2.1"
+    "version": "5.4.0"
   },
   "dependencies": {
-    "hexo": "^4.2.0",
+    "hexo": "^5.4.0",
     "hexo-generator-category": "^1.0.0",
-    "hexo-generator-feed": "^2.2.0",
-    "hexo-generator-index": "^1.0.0",
+    "hexo-generator-feed": "^3.0.0",
+    "hexo-generator-index": "^2.0.0",
     "hexo-generator-tag": "^1.0.0",
     "hexo-renderer-ejs": "^1.0.0",
-    "hexo-renderer-marked": "^2.0.0",
+    "hexo-renderer-marked": "^4.0.0",
     "hexo-renderer-pug": "^1.0.0",
-    "hexo-renderer-stylus": "^1.1.0",
-    "hexo-server": "^1.0.0"
+    "hexo-renderer-stylus": "^2.0.1",
+    "hexo-server": "^2.0.0"
+  },
+  "devDependencies": {
+    "pug": "^3.0.2"
   }
 }