Merge pull request #65 from FyraLabs/dependabot/npm_and_yarn/site/astrojs/starlight-0.21.3

chore(deps): bump @astrojs/starlight from 0.17.4 to 0.21.3 in /site

Author: lleyton

site/package.json

@@ -10,7 +10,7 @@
     "astro": "astro"
   },
   "dependencies": {
-    "@astrojs/starlight": "^0.17.4",
+    "@astrojs/starlight": "^0.21.3",
     "astro": "^4.5.12",
     "sharp": "^0.33.2",
     "@astrojs/check": "^0.5.6",