Fix issue of missing user token for self-hosted runners

[christian-stephen]

Checklist

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• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have checked for similar issues and haven't found anything relevant.
• This is not a security issue (which should be reported here: https://circleci.com/security/)
• I have read Contribution Guidelines.

Internal Checklist

• I am requesting a review from my own team as well as the owning team
• I have a plan in place for the monitoring of the changes that I am making (this can include new monitors, logs to be aware of, etc...)

Changes

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• Put itemized changes here, preferably in imperative mood, i.e. "Add
  functionA to fileB"

Rationale

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What was the overarching product goal of this PR as well as any pertinent
history of changes

Considerations

==============

Why you made some of the technical decisions that you made, especially if the
reasoning is not immediately obvious

Screenshots

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Before

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After

Image or gif where change can be clearly seen

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