chore(deps): update dependency url_launcher to ^6.2.2

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
url_launcher (source)	dependencies	patch	^6.2.1 -> ^6.2.2

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Release Notes

flutter/packages (url_launcher)

### [`v6.2.2`](https://togithub.com/flutter/packages/blob/HEAD/packages/url_launcher/url_launcher/CHANGELOG.md#622) [Compare Source](https://togithub.com/flutter/packages/compare/url_launcher-v6.2.1...url_launcher-v6.2.2) - Adds a link about web limitations to the `url_launcher_web` package in the `url_launcher` `README.md` and `launchUrl` method.

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