### Godot version

4.0.beta13 (caacade56)

### System information

Windows 10

### Issue description

Seems like this was missed in #62011 and #70540. `@export_multiline` should also support the PackedStringArray datatype on top of Array[String] and Dictionary, but it doesn't, instead giving the error `"@export_multiline" annotation requires a variable of type "String" but type "PackedStringArray" was given instead.`

### Steps to reproduce

Create a PackedStringArray with the `@export_multiline` annotation.
```gdscript
@export_multiline var npc_dialog: PackedStringArray
```

### Minimal reproduction project

N/A
for (int i = 0; i < p_match_branch->patterns.size(); i++) {
		if (i > 0) {
			push_text(" , ");
		}
		print_match_pattern(p_match_branch->patterns[i]);
	}
	push_line(" :");
	increase_indent();
	print_suite(p_match_branch->block);
	decrease_indent();
}
void GDScriptParser::TreePrinter::print_match_pattern(PatternNode *p_match_pattern) {
	switch (p_match_pattern->pattern_type) {
		case PatternNode::PT_LITERAL:
			print_literal(p_match_pattern->literal);
			break;
		case PatternNode::PT_WILDCARD:
			push_text("_");
			break;
		case PatternNode::PT_REST:
			push_text("..");
			break;
		case PatternNode::PT_BIND:
			push_text("Var ");
			print_identifier(p_match_pattern->bind);
			break;
		case PatternNode::PT_EXPRESSION: