Update mermaid to fix Results data model diagram

[AlanGreene]

Changes

Related tektoncd/results#708
/kind misc

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[AlanGreene]

/cc @afrittoli @geriom

[avinal]

Instead of just updating the mermaid, we should bump the docsy version. This will bring more features and fixes along with the mermaid fix. It was updated a long time ago, given the website uses docsy 0.6 and the latest is 0.8 (https://github.com/google/docsy/releases/tag/v0.8.0)

[AlanGreene]

@avinal I agree that we should update docsy however I don't currently have time to work on this, especially given the warning about significant breaking changes in 0.7. If someone else has time to work on this in the near future that would be great.

In the meantime this is a small targetted fix to resolve a current issue on the website affecting our users.

[geriom]

given the warning about significant breaking changes in 0.7. If someone else has time to work on this in the near future that would be great.

Yes, Docsy is now running on a newer version of bootstrap. I might have some time to look into this in late April, if someone wants to take a look sooner, I can share some useful links to help with the migration process.

[avinal]

Looks good to me

[tekton-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: avinal, geriom

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[geriom]

/lgtm