Update Prettier configuration to use 'tailwind.config.mjs' instead of 'tailwind.config.cjs'

Author: daniel-cintra

stubs/stack-configs/.prettierrc.json

@@ -4,7 +4,7 @@
     "trailingComma": "none",
     "arrowParens": "always",
 
-    "tailwindConfig": "tailwind.config.cjs",
+    "tailwindConfig": "tailwind.config.mjs",
     "plugins": ["prettier-plugin-blade", "prettier-plugin-tailwindcss"],
 
     "overrides": [