Compat deprecated getDependencyProject usage (#1106)

Author: Goooler

src/main/kotlin/com/github/jengelman/gradle/plugins/shadow/internal/GradleCompat.kt

@@ -2,6 +2,7 @@ package com.github.jengelman.gradle.plugins.shadow.internal
 
 import org.gradle.api.Project
 import org.gradle.api.artifacts.Configuration
+import org.gradle.api.artifacts.ProjectDependency
 import org.gradle.api.file.ConfigurableFileCollection
 import org.gradle.api.model.ObjectFactory
 import org.gradle.api.plugins.JavaPlugin
@@ -34,3 +35,15 @@ internal fun ConfigurableFileCollection.conventionCompat(vararg paths: Any): Con
     this
   }
 }
+
+/**
+ * TODO: this could be removed after bumping the min Gradle requirement to 8.11 or above.
+ */
+internal fun ProjectDependency.dependencyProjectCompat(project: Project): Project {
+  return if (GradleVersion.current() >= GradleVersion.version("8.11")) {
+    project.project(path)
+  } else {
+    @Suppress("DEPRECATION")
+    dependencyProject
+  }
+}

src/main/kotlin/com/github/jengelman/gradle/plugins/shadow/internal/UnusedTracker.kt

@@ -56,7 +56,7 @@ internal class UnusedTracker private constructor(
       apiDependencies.forEach { dep ->
         when (dep) {
           is ProjectDependency -> {
-            apiJars.addAll(getApiJarsFromProject(dep.dependencyProject))
+            apiJars.addAll(getApiJarsFromProject(dep.dependencyProjectCompat(project)))
             addJar(runtimeConfiguration, dep, apiJars)
           }
           is SelfResolvingDependency -> {