ci: clarify OIDC node version comment

Author: atomiks

.github/workflows/release.yml

@@ -52,7 +52,7 @@ jobs:
         uses: actions/setup-node@v4
         with:
           cache: 'pnpm'
-          # v24.14.0 bundles npm 11.9.0; ^ keeps newer 24.x while enforcing this minimum baseline.
+          # Required for npm OIDC trusted publishing (npm >= 11.5.1), while staying on Node 24.
           node-version: '^24.14.0'
           registry-url: 'https://registry.npmjs.org'