chore(deps): bump actions/setup-node from 3 to 4

Bumps [actions/setup-node](https://github.com/actions/setup-node) from 3 to 4.
- [Release notes](https://github.com/actions/setup-node/releases)
- [Commits](actions/setup-node@v3...v4)

---
updated-dependencies:
- dependency-name: actions/setup-node
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/coverage.yml

@@ -14,7 +14,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Use Node.js
-        uses: actions/setup-node@v3
+        uses: actions/setup-node@v4
 
       - run: npm ci
 

.github/workflows/release-please.yml

@@ -31,7 +31,7 @@ jobs:
         # these if statements ensure that a publication only occurs when
         # a new release is created:
         if: ${{ steps.release.outputs.release_created }}
-      - uses: actions/setup-node@v3
+      - uses: actions/setup-node@v4
         with:
           node-version: 18
           registry-url: "https://registry.npmjs.org"