fix: specify pnpm version in all workflows for consistency

Co-authored-by: huangyiirene <7665279+huangyiirene@users.noreply.github.com>

Author: Copilot

.github/workflows/ci.yml

@@ -26,6 +26,8 @@ jobs:
 
       - name: Install pnpm
         uses: pnpm/action-setup@v4
+        with:
+          version: 10.28.0
 
       - name: Get pnpm store directory
         shell: bash
@@ -73,6 +75,8 @@ jobs:
 
       - name: Install pnpm
         uses: pnpm/action-setup@v4
+        with:
+          version: 10.28.0
 
       - name: Get pnpm store directory
         shell: bash

.github/workflows/docs.yml

@@ -35,6 +35,8 @@ jobs:
 
       - name: Install pnpm
         uses: pnpm/action-setup@v4
+        with:
+          version: 10.28.0
 
       - name: Get pnpm store directory
         shell: bash

.github/workflows/lint.yml

@@ -26,6 +26,8 @@ jobs:
 
       - name: Install pnpm
         uses: pnpm/action-setup@v4
+        with:
+          version: 10.28.0
 
       - name: Get pnpm store directory
         shell: bash

.github/workflows/pr-automation.yml

@@ -67,6 +67,8 @@ jobs:
 
       - name: Install pnpm
         uses: pnpm/action-setup@v4
+        with:
+          version: 10.28.0
 
       - name: Install dependencies
         run: pnpm install --frozen-lockfile

.github/workflows/validate-deps.yml

@@ -29,6 +29,8 @@ jobs:
 
       - name: Install pnpm
         uses: pnpm/action-setup@v4
+        with:
+          version: 10.28.0
 
       - name: Verify lockfile is up to date
         run: |
@@ -60,6 +62,8 @@ jobs:
 
       - name: Install pnpm
         uses: pnpm/action-setup@v4
+        with:
+          version: 10.28.0
 
       - name: Install dependencies
         run: pnpm install --frozen-lockfile