Added a forward slash at the end of the npm registry url

Author: vergilfromadyen

.github/workflows/npmpublish.yml

@@ -13,7 +13,7 @@ jobs:
       - uses: actions/setup-node@v4
         with:
           node-version: 18.x
-          registry-url: 'https://registry.npmjs.org'
+          registry-url: 'https://registry.npmjs.org/'
       - run: |
           npm install
           echo "//registry.npmjs.org/:_authToken=${{ secrets.NPM_API_LIBRARY_TOKEN }}" > .npmrc