Shadowing Field Marketing events as Incubation Engineering team members

Why is this change being made?

An internal discussion in the Incubation Engineering team revealed that team members would benefit by shadowing customer / prospect events. This is in-line with the FY22-Q4 Engineering OKR "Increase focus on customer results..".

Related issue: https://gitlab.com/gitlab-org/incubation-engineering/five-minute-production/meta/-/issues/38

Author Checklist

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• Added a description to this MR explaining the reasons for the proposed change, per say-why-not-just-what
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