GP-849: Gradle 7 support

GhidraBuild/Skeleton/build.gradle

@@ -20,7 +20,7 @@ apply plugin: 'eclipse'
 eclipse.project.name = '_Skeleton'
 
 dependencies {
-	compile project(':Base')
+	api project(':Base')
 }
 
 // We don't want this to build
@@ -37,5 +37,6 @@ rootProject.assembleDistribution {
 		exclude '.project'
 		rename "buildTemplate.gradle", "build.gradle"
 		into "Extensions/Ghidra/Skeleton"
+		duplicatesStrategy = 'include'
 	}
 }