chore(deps): update actions/setup-node action to v4 (#675)

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

Author: renovate[bot]

.github/workflows/validate-helm-docs.yml

@@ -17,7 +17,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Set up Node
-        uses: actions/setup-node@v3.8.2
+        uses: actions/setup-node@v4.0.3
         with:
           node-version: 16