Merge pull request #7 from OpenZeppelin/renovate/actions-setup-node-4.x

Update actions/setup-node action to v4

Author: peersky

.github/setup/action.yml

@@ -3,7 +3,7 @@ description: "Set up the node environment"
 runs:
   using: composite
   steps:
-    - uses: actions/setup-node@v3
+    - uses: actions/setup-node@v4
       with:
         node-version: lts/*
     - name: Get yarn cache directory path

.github/workflows/release.yml

@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: actions/setup-node@v3
+      - uses: actions/setup-node@v4
         with:
           node-version: lts/*
       - uses: "./.github/setup"