fix(ci): update npm to latest for OIDC trusted publishing (#5)

GitHub Actions runners have outdated npm that doesn't support OIDC.
npm 11.5.1+ required for trusted publishing to work.

Signed-off-by: assagman <[email protected]>

Author: assagman

.github/workflows/release-publish.yml

@@ -36,6 +36,9 @@ jobs:
           node-version: '20'
           registry-url: 'https://registry.npmjs.org'
 
+      - name: Update npm for OIDC trusted publishing
+        run: npm install -g npm@latest
+
       - name: Install dependencies
         run: bun install