Fix release workflow: use Node 24 for npm 11.x trusted publishing

Node 24 ships with npm 11.x which supports OIDC trusted publishing
natively. This replaces the broken npm install -g npm@latest step.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: dickhardt

.github/workflows/release.yml

@@ -33,7 +33,7 @@ jobs:
             - uses: actions/checkout@v4
             - uses: actions/setup-node@v4
               with:
-                  node-version: 22
+                  node-version: 24
                   cache: 'npm'
                   registry-url: 'https://registry.npmjs.org'
             - run: npm ci