chore(deps): update dependency @11ty/eleventy to v3

Author: renovate[bot]

docs/package.json

@@ -31,7 +31,7 @@
     "rollup": "^4.8.0"
   },
   "devDependencies": {
-    "@11ty/eleventy": "2.0.1",
+    "@11ty/eleventy": "3.1.5",
     "@11ty/eleventy-img": "^6.0.0",
     "@11ty/eleventy-plugin-syntaxhighlight": "5.0.2",
     "@fontsource/inter": "^5.0.16",