fix(ci): use npm 11 via npx for publishing (#43)

Author: fbosch

.github/workflows/release-please.yml

@@ -61,11 +61,8 @@ jobs:
           registry-url: https://registry.npmjs.org
           cache: pnpm
 
-      - name: Upgrade npm for trusted publishing
-        run: npm install --global npm@^11.10.0
-
       - name: Install dependencies
         run: pnpm install --frozen-lockfile
 
       - name: Publish package
-        run: npm publish --access public --provenance
+        run: npx --yes npm@11.10.0 publish --access public --provenance