chore(deps): update android.gradle.plugin to v8.6.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
com.android.library (source)	8.5.2 -> 8.6.0
com.android.application (source)	8.5.2 -> 8.6.0
com.android.tools.build:gradle (source)	8.5.2 -> 8.6.0

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