Adding "with" arguments to setup-node step

Fix found at:
https://stackoverflow.com/questions/61817010/installing-private-github-package-using-yarn-on-github-actions-is-unauthorized-w

.github/workflows/create-release-on-branch-changes.yml

@@ -44,6 +44,8 @@ jobs:
           node-version-file: '.nvmrc'
           cache: 'yarn'
           registry-url: 'https://npm.pkg.github.com'
+          always-auth: true
+          scope: '@danskernesdigitalebibliotek'
 
       - run: yarn install --frozen-lockfile