Scripts: clear modification stamps cache when script dependencies cache is cleared

Otherwise it prevents script dependencies reloading
It may occur when script definitions are reloaded, cache is cleared, but dependencies aren't reloaded

^KT-31826 Fixed

idea/idea-core/src/org/jetbrains/kotlin/idea/core/script/ScriptsCompilationConfigurationCache.kt

@@ -169,6 +169,7 @@ class ScriptsCompilationConfigurationCache(private val project: Project) {
         val keys = scriptDependenciesCache.getAll().map { it.key }.toList()
 
         scriptDependenciesCache.clear()
+        scriptsModificationStampsCache.clear()
 
         onChange(keys)
     }