fix: put tekton config in the top level

[carlossg]

Because tekton is installed individually and not part of the platform its
config needs to be in the top level
See jenkins-x/jx#4154

[carlossg]

ping @rawlingsj

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/lifecycle stale

[jenkins-x-bot]

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/lifecycle stale

[jenkins-x-bot]

Issues go stale after 90d of inactivity.
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Stale issues rot after an additional 30d of inactivity and eventually close.
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/lifecycle stale

[jenkins-x-bot]

Issues go stale after 90d of inactivity.
Mark the issue as fresh with /remove-lifecycle stale.
Stale issues rot after an additional 30d of inactivity and eventually close.
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/lifecycle stale

[jenkins-x-bot]

Issues go stale after 90d of inactivity.
Mark the issue as fresh with /remove-lifecycle stale.
Stale issues rot after an additional 30d of inactivity and eventually close.
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/lifecycle stale