Fix version number under Questionnaire basics section

[rahulmalhotra]

IMPORTANT: All PRs must be linked to an issue (except for extremely trivial and straightforward changes).

Description
Update version number to 2.2 instead of 2.1.1 in documentation under Questionnaire basics section as according to the JSON snippet provided, item 2.2 is only shown if item 2.1 is true

Type
Documentation

Screenshots (if applicable)
N/A

Checklist

• I have read and acknowledged the Code of conduct.
• I have read the Contributing page.
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• I have discussed my proposed solution with code owners in the linked issue(s) and we have agreed upon the general approach.
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