chore(deps): update pnpm/action-setup action to v6

Author: renovate[bot]

.github/workflows/node.js.yml

@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
-      - uses: pnpm/action-setup@fc06bc1257f339d1d5d8b3a19a8cae5388b55320 # v5
+      - uses: pnpm/action-setup@903f9c1a6ebcba6cf41d87230be49611ac97822e # v6
       - uses: actions/setup-node@53b83947a5a98c8d113130e565377fae1a50d02f # v6
         with:
           node-version-file: '.tool-versions'