[build] Update gradle-jni to 1.2.0 for Gradle 9 support (#8246)

Author: sciencewhiz

build.gradle

@@ -13,7 +13,7 @@ plugins {
     id 'edu.wpi.first.wpilib.versioning.WPILibVersioningPlugin' version '2023.0.1'
     id 'edu.wpi.first.wpilib.repositories.WPILibRepositoriesPlugin' version '2020.2'
     id 'edu.wpi.first.NativeUtils' apply false
-    id 'edu.wpi.first.GradleJni' version '1.1.0'
+    id 'edu.wpi.first.GradleJni' version '1.2.0'
     id 'edu.wpi.first.GradleVsCode'
     id 'idea'
     id 'visual-studio'