Fix NPM command in CI

.ci/azure-pipelines-api-client.yml

@@ -52,7 +52,8 @@ jobs:
     - task: Npm@1
       displayName: 'Publish stable typescript axios client'
       inputs:
-        command: publish --access public
+        command: custom
+        customCommand: publish --access public
         publishRegistry: useExternalRegistry
         publishEndpoint: 'jellyfin-bot for NPM'
         workingDir: ./apiclient/generated/typescript/axios