chore(deps): update plugin com.android.application to v8.7.3 (#55)

This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [com.android.application](https://developer.android.com/studio/build)
([source](https://android.googlesource.com/platform/tools/base)) |
`8.7.2` -> `8.7.3` |
[![age](https://developer.mend.io/api/mc/badges/age/maven/com.android.application:com.android.application.gradle.plugin/8.7.3?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![adoption](https://developer.mend.io/api/mc/badges/adoption/maven/com.android.application:com.android.application.gradle.plugin/8.7.3?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![passing](https://developer.mend.io/api/mc/badges/compatibility/maven/com.android.application:com.android.application.gradle.plugin/8.7.2/8.7.3?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/maven/com.android.application:com.android.application.gradle.plugin/8.7.2/8.7.3?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|

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example/android/settings.gradle

@@ -19,7 +19,7 @@ pluginManagement {
 
 plugins {
     id "dev.flutter.flutter-plugin-loader" version "1.0.0"
-    id "com.android.application" version "8.7.2" apply false
+    id "com.android.application" version "8.7.3" apply false
     id "org.jetbrains.kotlin.android" version "2.1.0" apply false
 }