fix: update Node.js setup action to specific version for consistency

Author: bjohansebas

Diff for: .github/workflows/ci.yml

@@ -118,7 +118,7 @@ jobs:
           persist-credentials: false
 
       - name: Setup Node.js ${{ matrix.node-version }}
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@cdca7365b2dadb8aad0a33bc7601856ffabcc48e # v4.3.0
         with:
           node-version: ${{ matrix.node-version }}