chore: update sponsors (#1973)

Author: vue-bot

themes/vue/_config.yml

@@ -88,6 +88,9 @@ gold_sponsors:
   - url: 'https://github.com/marcus-hiles'
     img: marcus_hiles.png
     name: Marcus Hiles
+  - url: 'https://intygrate.com/'
+    img: intygrate.png
+    name: Intygrate
   - url: 'https://isleofcode.com/'
     img: isle_of_code.png
     name: Isle of Code