chore(deps): update dependency gradle to v6.9

[renovate[bot]]

This PR contains the following updates:

Package	Update	Change
gradle (source)	minor	6.8.3 -> 6.9

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Release Notes

gradle/gradle

### [`v6.9`](https://togithub.com/gradle/gradle/compare/v6.8.3...v6.9.0)

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Configuration

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