More build fixes

Author: martenpayne

Infra/deployStack.sh

@@ -19,7 +19,7 @@ cd ../ChimeCallService && npm i && npm run build
 cd ..
 
 # Build the website
-cd ../Website && npm i && npm run build
+cd ../Website && npm update && npm i && npm run build
 
 # Build the infrastructure cdk code
 cd ../Infra && npm i && npm run build

Website/package.json

@@ -51,7 +51,8 @@
     "tar": ">=6.1.9",
     "prismjs": ">=1.25.0",
     "node-forge": ">=1.0.0",
-    "nth-check": ">=2.0.1"
+    "nth-check": ">=2.0.1",
+    "postcss": ">=8.4.5"
   },
   "scripts": {
     "start": "react-scripts start",