Rename var "character_dir" to "character_dict" in GDScript style guide (#5325)

getting_started/scripting/gdscript/gdscript_styleguide.rst

@@ -155,7 +155,7 @@ indentation level to distinguish continuation lines:
         "Steve",
     ]
 
-    var character_dir = {
+    var character_dict = {
         "Name": "Bob",
         "Age": 27,
         "Job": "Mechanic",
@@ -178,7 +178,7 @@ indentation level to distinguish continuation lines:
             "Steve",
     ]
 
-    var character_dir = {
+    var character_dict = {
             "Name": "Bob",
             "Age": 27,
             "Job": "Mechanic",