Update dependency @11ty/eleventy to v3.0.0-alpha.10

Author: renovate[bot]

package-lock.json

@@ -23,7 +23,7 @@
   },
   "type": "module",
   "devDependencies": {
-    "@11ty/eleventy": "3.0.0-alpha.5",
+    "@11ty/eleventy": "3.0.0-alpha.10",
     "@11ty/eleventy-img": "^4.0.2",
     "@11ty/eleventy-plugin-rss": "1.2.0",
     "@11ty/eleventy-plugin-syntaxhighlight": "5.0.0",