fix: remove explicit pnpm version from workflow files to use packageManager field

Co-authored-by: hotlong <50353452+hotlong@users.noreply.github.com>

Author: Copilot

.github/workflows/deploy-docs.yml

@@ -28,8 +28,6 @@ jobs:
 
       - name: Install pnpm
         uses: pnpm/action-setup@v4
-        with:
-          version: 9
 
       - name: Configure Git Merge Driver for pnpm-lock.yaml
         run: |

.github/workflows/lint.yml

@@ -16,8 +16,6 @@ jobs:
 
       - name: Install pnpm
         uses: pnpm/action-setup@v4
-        with:
-          version: latest
 
       - name: Setup Node.js 20.x
         uses: actions/setup-node@v6

.github/workflows/release.yml

@@ -18,8 +18,6 @@ jobs:
 
       - name: Install pnpm
         uses: pnpm/action-setup@v4
-        with:
-          version: 9
 
       - name: Configure Git Merge Driver for pnpm-lock.yaml
         run: |

.github/workflows/test.yml

@@ -23,8 +23,6 @@ jobs:
 
       - name: Install pnpm
         uses: pnpm/action-setup@v4
-        with:
-          version: latest
 
       - name: Setup Node.js ${{ matrix.node-version }}
         uses: actions/setup-node@v6