chore(deps): update actions/setup-node action to v6 (#6)

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

Author: renovate[bot]

.github/actions/setup-repo/action.yaml

@@ -10,7 +10,7 @@ runs:
   using: composite
   steps:
     - uses: pnpm/action-setup@41ff72655975bd51cab0327fa583b6e92b6d3061 # v4
-    - uses: actions/setup-node@v4
+    - uses: actions/setup-node@v6
       with:
         node-version: ${{ inputs.node-version }}
         cache: pnpm