Description of problem:

Managed clusters go into unknown state after update to 2.13.4

Version-Release number of selected component (if applicable):

2.13.4

How reproducible:

Always

Steps to Reproduce:

1.  Have a bootstrap sa token secret that has the label of `legacy-token-invalid-since`
2.  Upgrade to 2.13.4 while being on at least OCP 4.16 or higher
3. ...

Actual results:

Upgrade hangs because the managedclusteraddons are not in ready state due to the managedcluster being in unknown state

Expected results:

Upgrade goes through

Additional info: