Bump io.sentry.android.gradle from 5.3.0 to 5.4.0 in /android (#345)

Bumps [io.sentry.android.gradle](https://github.com/getsentry/sentry-android-gradle-plugin) from 5.3.0 to 5.4.0.
- [Release notes](https://github.com/getsentry/sentry-android-gradle-plugin/releases)
- [Changelog](https://github.com/getsentry/sentry-android-gradle-plugin/blob/main/CHANGELOG.md)
- [Commits](getsentry/sentry-android-gradle-plugin@5.3.0...5.4.0)

---
updated-dependencies:
- dependency-name: io.sentry.android.gradle
  dependency-version: 5.4.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Author: dependabot[bot]

android/settings.gradle

@@ -19,7 +19,7 @@ pluginManagement {
 
 plugins {
     id "dev.flutter.flutter-plugin-loader" version "1.0.0"
-    id "io.sentry.android.gradle" version "5.3.0" apply false
+    id "io.sentry.android.gradle" version "5.4.0" apply false
     id "org.jetbrains.kotlin.android" version "2.1.20" apply false
     id "com.android.application" version '8.8.1' apply false