chore(deps): update astro, integrations, and adapters

| datasource | package               | from   | to      |
| ---------- | --------------------- | ------ | ------- |
| npm        | @astrojs/tailwind     | 5.1.0  | 5.1.3   |
| npm        | @astrojs/vercel       | 7.7.2  | 7.8.2   |
| npm        | astro                 | 4.11.5 | 4.16.17 |
| npm        | astro-expressive-code | 0.35.3 | 0.38.3  |
| npm        | astro-icon            | 1.1.0  | 1.1.4   |
| npm        | sharp                 | 0.33.4 | 0.33.5  |

package.json

@@ -18,8 +18,8 @@
     "@ai-sdk/openai": "0.0.40",
     "@ai-sdk/react": "0.0.29",
     "@astrojs/react": "3.6.0",
-    "@astrojs/tailwind": "5.1.0",
-    "@astrojs/vercel": "7.7.2",
+    "@astrojs/tailwind": "5.1.3",
+    "@astrojs/vercel": "7.8.2",
     "@avgvstvs96/remark-sectionize": "2.0.1",
     "@fontsource-variable/inter": "5.0.19",
     "@radix-ui/react-dialog": "1.1.1",
@@ -32,9 +32,9 @@
     "@radix-ui/react-tooltip": "1.1.2",
     "@tailwindcss/typography": "0.5.13",
     "ai": "3.2.36",
-    "astro": "4.11.5",
-    "astro-expressive-code": "0.35.3",
-    "astro-icon": "1.1.0",
+    "astro": "4.16.17",
+    "astro-expressive-code": "0.38.3",
+    "astro-icon": "1.1.4",
     "class-variance-authority": "0.7.0",
     "clsx": "2.1.1",
     "cmdk": "1.0.0",
@@ -45,7 +45,7 @@
     "react-hotkeys-hook": "4.5.0",
     "react-markdown": "9.0.1",
     "react-syntax-highlighter": "15.5.0",
-    "sharp": "0.33.4",
+    "sharp": "0.33.5",
     "tailwind-merge": "2.4.0",
     "tailwindcss": "3.4.4",
     "tailwindcss-animate": "1.0.7"