Updated npm version in publish action for trusted publishing support.

Author: cabal95

.github/workflows/publish.yml

@@ -23,6 +23,9 @@ jobs:
       with:
         node-version: 22
         registry-url: 'https://registry.npmjs.org'
+    # Trusted publishing requires npm 11.5.1 or later.
+    - name: Upgrade npm
+      run: npm install -g npm@11.5
 
     - name: Restore C# dependencies
       run: dotnet restore