fix(config-cache): Restore getIsolatedRootProjectDir for Gradle 8.8+

Use isolated.rootProject.projectDirectory on Gradle 8.8+ to avoid
deprecated project.rootProject access that will break when project
isolation is enforced.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: runningcode

plugin-build/src/main/kotlin/io/sentry/android/gradle/util/SentryCliExec.kt

@@ -5,19 +5,29 @@ import io.sentry.android.gradle.tasks.SentryCliExecTask
 import io.sentry.android.gradle.util.CliFailureReason.OUTDATED
 import java.io.ByteArrayOutputStream
 import org.gradle.api.GradleException
+import org.gradle.api.Project
+import org.gradle.api.file.Directory
 import org.gradle.process.ExecSpec
 
 fun ExecSpec.setSentryPipelineEnv() {
   environment("SENTRY_PIPELINE", "sentry-gradle-plugin/${BuildConfig.Version}")
 }
 
+private fun Project.getIsolatedRootProjectDir(): Directory {
+  return if (GradleVersions.CURRENT >= GradleVersions.VERSION_8_8) {
+    isolated.rootProject.projectDirectory
+  } else {
+    rootProject.layout.projectDirectory
+  }
+}
+
 /**
  * An ext function for tasks that wrap sentry-cli, which provides common error handling. Must be
  * called at configuration phase (=when registering a task).
  */
 fun SentryCliExecTask.asSentryCliExec() {
   sentryProjectDir.set(project.layout.projectDirectory)
-  sentryRootDir.set(project.rootProject.layout.projectDirectory)
+  sentryRootDir.set(project.getIsolatedRootProjectDir())
   buildDirectory.set(project.layout.buildDirectory)
 
   isIgnoreExitValue = true

plugin-build/src/test/kotlin/io/sentry/android/gradle/tasks/SentryCliExecTaskTest.kt

@@ -19,7 +19,8 @@ class SentryCliExecTaskTest {
   @Test
   fun `cli path is resolved and extracted from resources`() {
     val project = createProject()
-    val cliPath = SentryCliProvider.getCliResourcesExtractionPath(project.layout.buildDirectory).get().asFile
+    val cliPath =
+      SentryCliProvider.getCliResourcesExtractionPath(project.layout.buildDirectory).get().asFile
 
     assertTrue(!cliPath.exists())