chore: update Dockerfile and CI workflows to use pnpm 10.28.0 and enable Corepack

Author: chaxus

.github/workflows/ci.yml

@@ -27,7 +27,7 @@ jobs:
         name: Install pnpm
         id: pnpm-install
         with:
-          version: 7
+          version: 10
           run_install: false
 
       - name: Get pnpm store directory

.github/workflows/pages-build-site.yml

@@ -35,7 +35,7 @@ jobs:
         name: Install pnpm
         id: pnpm-install
         with:
-          version: 7
+          version: 10
           run_install: false
 
       - name: Get pnpm store directory
@@ -78,7 +78,7 @@ jobs:
         name: Install pnpm
         id: pnpm-install
         with:
-          version: 7
+          version: 10
           run_install: false
 
       - name: Get pnpm store directory

Dockerfile

@@ -2,8 +2,9 @@ ARG  NODE_VERSION=22
 FROM node:${NODE_VERSION} AS builder
 WORKDIR /app
 
-# Install pnpm (Node.js image includes npm, so this is reliable)
-RUN npm install -g pnpm && \
+# Enable Corepack and install pnpm (Corepack reads packageManager from package.json)
+RUN corepack enable && \
+    corepack prepare pnpm@10.28.0 --activate && \
     pnpm --version
 
 # Copy package files

package.json

@@ -16,6 +16,7 @@
   "engines": {
     "node": ">=20.19.0"
   },
+  "packageManager": "pnpm@10.28.0",
   "keywords": [
     "onlyoffice",
     "document-editor",