Bump the maven group with 3 updates

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 8.7.2 to 8.7.3

Updates `com.android.library` from 8.7.2 to 8.7.3

Updates `com.android.application` from 8.7.2 to 8.7.3

Updates `com.android.library` from 8.7.2 to 8.7.3

Updates `com.android.application` from 8.7.2 to 8.7.3

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

Signed-off-by: dependabot[bot] <support@github.com>

gradle/libs.versions.toml

@@ -1,5 +1,5 @@
 [versions]
-agp = "8.7.2"
+agp = "8.7.3"
 kotlin = "2.1.0"
 nav = "2.8.4"
 appcenter = "5.0.5"