Remove npm upgrade step (#358)

Author: matthewelwell

.github/workflows/publish.yml

@@ -23,7 +23,5 @@ jobs:
           node-version-file: .nvmrc
           registry-url: 'https://registry.npmjs.org'  # required for trusted publishing
 
-      # npm>=11.5.1 required for NPM trusted publishing
-      - run: npm install -g npm@latest
       - run: npm i
       - run: npm run deploy