Update dependency com.android.tools.build:gradle to v8.7.3 (#86)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

gradle/libs.versions.toml

@@ -1,6 +1,6 @@
 [libraries]
 
-android-gradle = "com.android.tools.build:gradle:8.7.2"
+android-gradle = "com.android.tools.build:gradle:8.7.3"
 
 androidx-appCompat = "androidx.appcompat:appcompat:1.7.0"
 androidx-constraintLayout = "androidx.constraintlayout:constraintlayout:2.2.0"