chore(deps): update pnpm/action-setup action to v6 (#304)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/firebase-live.yml

@@ -11,7 +11,7 @@ jobs:
       - uses: actions/checkout@v6
 
       - name: Install pnpm
-        uses: pnpm/action-setup@v5
+        uses: pnpm/action-setup@v6
 
       - name: Setup Node
         uses: actions/setup-node@v6

.github/workflows/firebase-preview.yml

@@ -11,7 +11,7 @@ jobs:
       - uses: actions/checkout@v6
 
       - name: Install pnpm
-        uses: pnpm/action-setup@v5
+        uses: pnpm/action-setup@v6
 
       - name: Setup Node
         uses: actions/setup-node@v6

.github/workflows/main.yml

@@ -16,7 +16,7 @@ jobs:
           fetch-depth: 0
 
       - name: Install pnpm
-        uses: pnpm/action-setup@v5
+        uses: pnpm/action-setup@v6
 
       - name: Setup Node
         uses: actions/setup-node@v6