Update Gradle and core build dependencies

- Upgrade Gradle wrapper to 9.3.1.
- Update Android Gradle Plugin (AGP) to 9.1.0 and Kotlin to 2.2.10.
- Update Hilt to 2.57.2, Room to 2.7.0, and KSP to 2.3.2.
- Configure Gradle Java toolchain using JetBrains JDK 21 and the Foojay resolver plugin.
- Define several Android build feature flags and compatibility properties in `gradle.properties`.

settings.gradle.kts

@@ -11,6 +11,9 @@ pluginManagement {
         gradlePluginPortal()
     }
 }
+plugins {
+    id("org.gradle.toolchains.foojay-resolver-convention") version "1.0.0"
+}
 dependencyResolutionManagement {
     repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS)
     repositories {