Update dependencies (withastro#3686)

package.json

@@ -32,28 +32,26 @@
     "@11ty/eleventy-fetch": "^3.0.0",
     "@actions/core": "^1.9.0",
     "@algolia/client-search": "^4.14.2",
-    "@astrojs/mdx": "^0.18.2",
-    "@astrojs/preact": "^2.0.3",
+    "@astrojs/mdx": "^0.19.7",
+    "@astrojs/preact": "^2.2.1",
     "@astrojs/sitemap": "1.0.1",
     "@babel/core": "^7.18.10",
     "@docsearch/css": "^3.2.2",
     "@docsearch/react": "^3.2.0",
     "@types/canvas-confetti": "^1.6.0",
-    "@types/chroma-js": "^2.1.4",
     "@types/hast": "^2.3.4",
     "@types/html-escaper": "^3.0.0",
     "@types/mdast": "^3.0.10",
     "@types/node": "^18.6.4",
     "@typescript-eslint/eslint-plugin": "^5.46.1",
     "@typescript-eslint/parser": "^5.46.1",
-    "astro": "^2.3.1",
+    "astro": "^2.8.0",
     "astro-auto-import": "^0.2.1",
     "astro-eslint-parser": "^0.9.2",
-    "astro-expressive-code": "^0.12.0",
+    "astro-expressive-code": "^0.14.0",
     "astro-og-canvas": "^0.1.7",
     "bcp-47-normalize": "^2.1.0",
     "canvaskit-wasm": "^0.37.0",
-    "chroma-js": "^2.4.2",
     "dedent-js": "^1.0.1",
     "domhandler": "^4.3.1",
     "eslint": "^8.29.0",
@@ -77,7 +75,7 @@
     "organize-imports-cli": "^0.10.0",
     "p-retry": "^5.1.1",
     "parse-numeric-range": "^1.3.0",
-    "preact": "^10.10.1",
+    "preact": "^10.16.0",
     "prettier": "^2.8.8",
     "prettier-plugin-astro": "^0.8.0",
     "prompts": "^2.4.2",