chore(deps): update app_links and package_info_plus to latest major versions

Upgrade packages:
- app_links: ^6.1.4 → ^7.0.0 (backward compatible with v6)
- package_info_plus: ^8.0.0 → ^9.0.0 (build tooling only, no Dart API changes)

Bump Android build tooling to latest Flutter 3.38-compatible versions:
- AGP: 8.9.1 → 8.11.1
- Gradle: 8.12 → 8.14
- Kotlin: 2.1.0 → 2.2.20

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

android/gradle/wrapper/gradle-wrapper.properties

@@ -2,4 +2,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.12-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.14-all.zip

android/settings.gradle.kts

@@ -18,8 +18,8 @@ pluginManagement {
 
 plugins {
     id("dev.flutter.flutter-plugin-loader") version "1.0.0"
-    id("com.android.application") version "8.9.1" apply false
-    id("org.jetbrains.kotlin.android") version "2.1.0" apply false
+    id("com.android.application") version "8.11.1" apply false
+    id("org.jetbrains.kotlin.android") version "2.2.20" apply false
 }
 
 include(":app")