Update Next 15 RC, React 19 RC, and use pnpm (#743)

* Update to next v15, switch to pnpm

* Delete package-lock.json

dashboard/final-example/package.json

@@ -17,11 +17,11 @@
     "autoprefixer": "10.4.15",
     "bcrypt": "^5.1.1",
     "clsx": "^2.0.0",
-    "next": "^14.0.2",
+    "next": "15.0.0-rc.0",
     "next-auth": "^5.0.0-beta.4",
     "postcss": "8.4.31",
-    "react": "18.2.0",
-    "react-dom": "18.2.0",
+    "react": "19.0.0-rc-6230622a1a-20240610",
+    "react-dom": "19.0.0-rc-6230622a1a-20240610",
     "tailwindcss": "3.3.3",
     "typescript": "5.2.2",
     "use-debounce": "^9.0.4",
@@ -34,7 +34,7 @@
     "@vercel/style-guide": "^5.0.1",
     "dotenv": "^16.3.1",
     "eslint": "^8.52.0",
-    "eslint-config-next": "^14.0.0",
+    "eslint-config-next": "15.0.0-rc.0",
     "eslint-config-prettier": "9.0.0",
     "prettier": "^3.0.3",
     "prettier-plugin-tailwindcss": "0.5.4"

dashboard/starter-example/package.json

@@ -15,10 +15,10 @@
     "autoprefixer": "10.4.15",
     "bcrypt": "^5.1.1",
     "clsx": "^2.0.0",
-    "next": "^14.0.2",
+    "next": "15.0.0-rc.0",
     "postcss": "8.4.31",
-    "react": "18.2.0",
-    "react-dom": "18.2.0",
+    "react": "19.0.0-rc-6230622a1a-20240610",
+    "react-dom": "19.0.0-rc-6230622a1a-20240610",
     "tailwindcss": "3.3.3",
     "typescript": "5.2.2",
     "zod": "^3.22.2"
@@ -30,7 +30,7 @@
     "@vercel/style-guide": "^5.0.1",
     "dotenv": "^16.3.1",
     "eslint": "^8.52.0",
-    "eslint-config-next": "^14.0.0",
+    "eslint-config-next": "15.0.0-rc.0",
     "eslint-config-prettier": "9.0.0",
     "prettier": "^3.0.3",
     "prettier-plugin-tailwindcss": "0.5.4"