chore(deps): update agp to v8.7.3

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
com.android.library (source)	8.0.2 -> 8.7.3
com.android.application (source)	8.0.2 -> 8.7.3
com.android.tools.build:gradle (source)	8.0.2 -> 8.7.3

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