Fix GDScript code style regarding colon

modules/gdscript/tests/scripts/runtime/features/default_set_beforehand.gd

@@ -1,8 +1,8 @@
 extends Node
 
 @onready var later_inferred := [1]
-@onready var later_static : Array
-@onready var later_static_with_init : Array = [1]
+@onready var later_static: Array
+@onready var later_static_with_init: Array = [1]
 @onready var later_untyped = [1]
 
 func test():

modules/gdscript/tests/scripts/runtime/features/property_with_operator_assignment.gd

@@ -1,5 +1,5 @@
 #GDTEST_OK
-var prop : int = 0:
+var prop: int = 0:
 	get:
 		return prop
 	set(value):

modules/gdscript/tests/scripts/runtime/features/use_conversion_assign_with_variant_value.gd

@@ -4,6 +4,6 @@ func test():
 	@warning_ignore("narrowing_conversion")
 	var foo: int = 0.0
 	print(typeof(foo) == TYPE_INT)
-	var dict : Dictionary = {"a":0.0}
+	var dict: Dictionary = {"a": 0.0}
 	foo = dict.get("a")
 	print(typeof(foo) == TYPE_INT)