Bump agp-version from 7.4.0 to 8.4.2

Bumps `agp-version` from 7.4.0 to 8.4.2.

Updates `com.android.tools.build:gradle` from 7.4.0 to 8.4.2

Updates `com.android.application` from 7.4.0 to 8.4.2

---
updated-dependencies:
- dependency-name: com.android.tools.build:gradle
  dependency-type: direct:production
  update-type: version-update:semver-major
- dependency-name: com.android.application
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -28,7 +28,7 @@ androidx-test-rules = "1.5.0"
 junit-version = "4.13.2"
 
 kotlin = "1.9.10"
-agp-version = "7.4.0"
+agp-version = "8.4.2"
 flank-version = "23.10.1"
 
 [libraries]