Update to @11/eleventy@ v3

packages/11ty/.eleventy.js

@@ -48,7 +48,7 @@ const publicDir = process.env.ELEVENTY_ENV === 'production' ? 'public' : false /
  * @param      {Object}  base eleventy configuration
  * @return     {Object}  A modified eleventy configuation
  */
-module.exports = function(eleventyConfig) {
+export default async function(eleventyConfig) {
   /**
    * Override addPassthroughCopy to use _absolute_ system paths.
    * @see https://www.11ty.dev/docs/copy/#passthrough-file-copy

packages/11ty/package.json

@@ -52,14 +52,14 @@
     "template-polyfill": "^2.0.0"
   },
   "devDependencies": {
-    "@11ty/eleventy": "^2.0.1",
-    "@11ty/eleventy-img": "^3.0.0",
+    "@11ty/eleventy": "3.0.0-alpha.4",
+    "@11ty/eleventy-img": "^3.1.8",
     "@11ty/eleventy-navigation": "^0.3.5",
     "@11ty/eleventy-plugin-directory-output": "^1.0.1",
-    "@11ty/eleventy-plugin-syntaxhighlight": "^4.2.0",
+    "@11ty/eleventy-plugin-syntaxhighlight": "^5.0.0",
     "@11ty/eleventy-plugin-vite": "^4.0.0",
-    "@11ty/eleventy-plugin-webc": "^0.11.0",
-    "@11ty/is-land": "^3.0.1",
+    "@11ty/eleventy-plugin-webc": "^0.11.2",
+    "@11ty/is-land": "^4.0.0",
     "@iiif/parser": "^1.1.2",
     "@iiif/vault": "^0.9.22",
     "ajv": "^8.12.0",