chore(deps): update actions/setup-node action to v6 (#1431)

| datasource  | package            | from   | to     |
| ----------- | ------------------ | ------ | ------ |
| github-tags | actions/setup-node | v5.0.0 | v6.0.0 |

Signed-off-by: renovate-sh-app[bot] <219655108+renovate-sh-app[bot]@users.noreply.github.com>
Co-authored-by: renovate-sh-app[bot] <219655108+renovate-sh-app[bot]@users.noreply.github.com>

Author: renovate-sh-app[bot]

.github/workflows/reusable-zizmor.yml

@@ -84,7 +84,7 @@ jobs:
 
       - id: setup-node
         name: Setup node.js
-        uses: actions/setup-node@a0853c24544627f65ddf259abe73b1d18a591444 # v5.0.0
+        uses: actions/setup-node@2028fbc5c25fe9cf00d9f06a71cc4710d4507903 # v6.0.0
         with:
           node-version: "22.x"
 

actions/validate-renovate-config/action.yml

@@ -11,7 +11,7 @@ runs:
   using: composite
   steps:
     - name: Setup Node.js
-      uses: actions/setup-node@a0853c24544627f65ddf259abe73b1d18a591444 # v5.0.0
+      uses: actions/setup-node@2028fbc5c25fe9cf00d9f06a71cc4710d4507903 # v6.0.0
       with:
         node-version: "20"