GitHub (fine-grained or classic) access token as K8s secret for Tekton

my-github-token.yaml

kind: Secret
apiVersion: v1
metadata:
  name: my-github-token
  namespace: my-namespace
  annotations:
    tekton.dev/git-0: 'https://github.com'
# stringData is important; if you use data instead, you might get the following error:
# Secret in version "v1" cannot be handled as a Secret: illegal base64 data at input byte 6
stringData:
  password: ''
  username: 'github_pat_XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX'
type: kubernetes.io/basic-auth