chore(deps): update dependency sinatra to v2.2.0 [security]

[renovate-bot]

This PR contains the following updates:

Package	Update	Change
sinatra	minor	2.0.3 -> 2.2.0

GitHub Vulnerability Alerts

CVE-2022-29970

Sinatra before 2.2.0 does not validate that the expanded path matches public_dir when serving static files.

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