fix(detekt-rules): Correctly determine the root project

This did not cause violations for nested projects because the rule was
skipped in that case due to `pathPattern` not being matched.

Signed-off-by: Sebastian Schuberth <sebastian@doubleopen.io>

Author: sschuberth

detekt-rules/src/main/kotlin/OrtPackageNaming.kt

@@ -51,7 +51,7 @@ class OrtPackageNaming(config: Config) : Rule(
 
         // TODO: Find a better way to determine the project path. Unfortunately, `KtFile.project.basePath` is null.
         projectPath = generateSequence(root.absolutePath()) { it.parent }.find {
-            it.resolve("build.gradle.kts").isRegularFile()
+            it.resolve("settings.gradle.kts").isRegularFile()
         }
     }