Fix sharp.

Author: Matt Welsh

astro/package.json

@@ -24,6 +24,7 @@
     "remark-collapse": "^0.1.2",
     "remark-toc": "^9.0.0",
     "satori": "^0.10.11",
+    "sharp": "^0.33.3",
     "tailwindcss": "^3.4.3",
     "typescript": "^5.4.5"
   },