chore: update Kotlin version and AGP compatibility across plugins' Android build.gradle files

[SelaseKay]

Description

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Related Issues

Closes #18304
Closes #18297

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[wiz-9635d3485b]

Wiz Scan Summary

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Scanner	Findings
Vulnerabilities	45  81  9
Sensitive Data	-
Secrets	-
IaC Misconfigurations	-
SAST Findings	-
Software Management Findings	-
Total	45  81  9

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[frederikstonge]

The flutterfire cli is using firebase_core pubspec versions when doing flutterfire configure to set the right versions in build.gradle/build.gradle.kts :

flutterfire/packages/firebase_core/firebase_core/pubspec.yaml

Line 47 in df229d3

firebase:

Maybe you could update these versions too