Bump the maven group with 3 updates (#54)

Bumps the maven group with 3 updates: com.android.tools.build:apksig, com.android.library and com.android.application.


Updates `com.android.tools.build:apksig` from 8.6.1 to 8.7.0

Updates `com.android.library` from 8.6.1 to 8.7.0

Updates `com.android.application` from 8.6.1 to 8.7.0

Updates `com.android.library` from 8.6.1 to 8.7.0

Updates `com.android.application` from 8.6.1 to 8.7.0

---
updated-dependencies:
- dependency-name: com.android.tools.build:apksig
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: maven
- dependency-name: com.android.library
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: maven
- dependency-name: com.android.application
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: maven
- dependency-name: com.android.library
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: maven
- dependency-name: com.android.application
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: maven
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

gradle/libs.versions.toml

@@ -1,5 +1,5 @@
 [versions]
-agp = "8.6.1"
+agp = "8.7.0"
 kotlin = "2.0.20"
 nav = "2.8.1"
 appcenter = "5.0.5"