fix: update androidx.datastore to v1.2.1

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
androidx.datastore:datastore-preferences-core (source)	1.1.1 → 1.2.1
androidx.datastore:datastore-preferences (source)	1.1.1 → 1.2.1
androidx.datastore:datastore-core (source)	1.1.1 → 1.2.1
androidx.datastore:datastore (source)	1.1.1 → 1.2.1

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