fix(ci): cache npm in pre-publish-benchmark job (#1040)

Match the cache: "npm" setting used by every other job in publish.yml so release runs reuse the npm cache instead of re-downloading dependencies.

Author: carlos-alm

.github/workflows/publish.yml

@@ -251,6 +251,7 @@ jobs:
       - uses: actions/setup-node@v6
         with:
           node-version: "22"
+          cache: "npm"
 
       - name: Setup Python (for resolution benchmark)
         uses: actions/setup-python@v6