Check that your Project collection build service as the right to
Create branch
Contribute to Pull Request
Force Push(if you want renovate to delete branchs when closing outdated renovations)
Make sure you are on a node >= 10.13.0
Optional: install yarn
Optional Add a Github token so RenovateBot can pull release notes
In Github, head to your account -> Settings -> Developer settings -> Personal access tokens -> Generate new token -> Generate new token (no need to tick any boxes - this token just needs to be able to read public github data). Copy the new PAT
In your pipeline, add a new Pipeline Variable, GITHUB_COM_TOKEN, and paste your new PAT as the value. Tick the box to tell Azure Devops this is a secret.
In your Renovate task, add the following in Options -> Additional args: