Add CTA to Artifactory survey

Why is this change being made?

A common feature request is the ability for customer to migrate from Artifactory to GitLab.

In gitlab-org/gitlab#298726 a technical investigation determined a migration would be possible. However, it would helpful to know things like how many packages customers need to migrate. Therefore, we'd to quickly survey customers who desire to migrate packages from Artifactory to GitLab.

Link to survey (this link is a test link, so you can go all the way through the survey and not mess up any data.

This complements adding the survey to the docs site and product: https://gitlab.com/gitlab-org/gitlab/-/issues/372960/

Author Checklist

• Provided a concise title for this Merge Request (MR)
• Added a description to this MR explaining the reasons for the proposed change, per say why, not just what
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• Assign reviewers for this MR to the correct Directly Responsible Individual/s (DRI)
  • If the DRI for the page/s being updated isn’t immediately clear, then assign it to one of the people listed in the Maintained by section on the page being edited
  • If your manager does not have merge rights, please ask someone to merge it AFTER it has been approved by your manager in #mr-buddies
• If the changes affect team members, or warrant an announcement in another way, please consider posting an update in #whats-happening-at-gitlab linking to this MR
  • If this is a change that directly impacts the majority of global team members, it should be a candidate for #company-fyi. Please work with internal communications and check the handbook for examples.

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