chore: update pnpm/action-setup action to v3 (#57)

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

Author: renovate[bot]

.github/workflows/deploy.yml

@@ -32,7 +32,7 @@ jobs:
           node-version: 18
 
       - name: Install pnpm
-        uses: pnpm/action-setup@v2.4.0
+        uses: pnpm/action-setup@v3.0.0
         with:
           version: 8
           run_install: false

.github/workflows/main.yml

@@ -32,7 +32,7 @@ jobs:
           node-version: 18
 
       - name: Install pnpm
-        uses: pnpm/action-setup@v2.4.0
+        uses: pnpm/action-setup@v3.0.0
         with:
           version: 8
           run_install: false