build: fix pnpm version

Author: realfish

Dockerfile

@@ -11,7 +11,7 @@ COPY package.json yarn.lock* package-lock.json* pnpm-lock.yaml* ./
 RUN \
   if [ -f yarn.lock ]; then yarn --frozen-lockfile; \
   elif [ -f package-lock.json ]; then npm ci; \
-  elif [ -f pnpm-lock.yaml ]; then yarn global add pnpm && pnpm i --frozen-lockfile; \
+  elif [ -f pnpm-lock.yaml ]; then yarn global add pnpm@8.10.5 && pnpm i --frozen-lockfile; \
   else echo "Lockfile not found." && exit 1; \
   fi
 

package.json

@@ -2,7 +2,6 @@
   "name": "df-docs",
   "version": "0.4.0",
   "private": true,
-  "packageManager": "[email protected]",
   "scripts": {
     "build": "next build",
     "dev": "next dev",