chore(deps): update pnpm/action-setup action to v6

Author: renovate[bot]

.github/workflows/format-check.yml

@@ -18,7 +18,7 @@ jobs:
    - name: 🧱 Checkout repository
      uses: actions/checkout@v5
    - name: 🔩 Setup PNPM
-     uses: pnpm/action-setup@v4
+     uses: pnpm/action-setup@v6
      with:
       standalone: true
    - name: 🔩 Setup Node ${{ matrix.node }}

.github/workflows/lint.yml

@@ -13,7 +13,7 @@ jobs:
    - name: 🧱 Checkout repository
      uses: actions/checkout@v5
    - name: 🔩 Setup PNPM
-     uses: pnpm/action-setup@v4
+     uses: pnpm/action-setup@v6
      with:
       standalone: true
    - name: 🔩 Setup Node ${{ matrix.node }}