chore: update sponsor name and image

Author: yyx990803

package.json

@@ -2,7 +2,7 @@
   "name": "vuejs.org",
   "private": true,
   "hexo": {
-    "version": "3.9.0"
+    "version": "3.8.0"
   },
   "scripts": {
     "start": "hexo server",

themes/vue/_config.yml

@@ -95,9 +95,9 @@ gold_sponsors:
   - url: 'https://flatlogic.com/templates'
     img: flatlogic_templates.svg
     name: Flatlogic Templates
-  - url: 'http://moovweb.com/'
-    img: moovweb.png
-    name: Moovweb
+  - url: 'https://www.layer0.co'
+    img: layer0.png
+    name: Layer0
   - url: 'https://vpn-review.com/netflix-vpn'
     img: vpn_review.png
     name: VPN Review