chore(deps): update actions/setup-node action to v4 (#18)

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

Author: renovate[bot]

.github/workflows/ci.yml

@@ -20,7 +20,7 @@ jobs:
         uses: pnpm/action-setup@v2
 
       - name: Set node version to 20
-        uses: actions/setup-node@v3
+        uses: actions/setup-node@v4
         with:
           node-version: 20
           cache: 'pnpm'

.github/workflows/publish.yml

@@ -17,7 +17,7 @@ jobs:
         uses: pnpm/action-setup@v2
 
       - name: Set node version to 20
-        uses: actions/setup-node@v3
+        uses: actions/setup-node@v4
         with:
           node-version: 20
           cache: 'pnpm'