Testify 4.0.0 - Major dependency updates

[DanielJette]

Release 4.0.0

• Updated to Kotlin 2.2
• Major version updates to all core dependencies. This will require the following changes to your projects:
  • Compose 2025.08.01 updates require:
    • kotlinCompilerExtensionVersion --> 1.9.0
    • androidx.compose.material:material --> 1.9.0
    • androidx.compose.ui:ui-tooling-preview -> 1.9.0
    • androidx.compose.ui:ui --> 1.9.0
  • Java 21 requires you to update your app to use Java 21
  • Compile 35+ requires you to target 35+
  • Minimum SDK raised to 26