Update MagicNumber rule to exclude .kts files

The MagicNumber rule should not be enforced in script files,
because you cannot have constants in these files.

Closes #4863

detekt-core/src/main/resources/default-detekt-config.yml

@@ -543,7 +543,7 @@ style:
     maxJumpCount: 1
   MagicNumber:
     active: true
-    excludes: ['**/test/**', '**/androidTest/**', '**/commonTest/**', '**/jvmTest/**', '**/jsTest/**', '**/iosTest/**']
+    excludes: ['**/test/**', '**/androidTest/**', '**/commonTest/**', '**/jvmTest/**', '**/jsTest/**', '**/iosTest/**', '**/*.kts']
     ignoreNumbers:
       - '-1'
       - '0'