Use stricter pyright settings for some tkinter stubs (#8291)

Author: AlexWaygood

pyrightconfig.stricter.json

@@ -12,7 +12,12 @@
         "stdlib/multiprocessing/reduction.pyi",
         "stdlib/sqlite3/dbapi2.pyi",
         "stdlib/_tkinter.pyi",
-        "stdlib/tkinter",
+        "stdlib/tkinter/__init__.pyi",
+        "stdlib/tkinter/commondialog.pyi",
+        "stdlib/tkinter/dialog.pyi",
+        "stdlib/tkinter/dnd.pyi",
+        "stdlib/tkinter/filedialog.pyi",
+        "stdlib/tkinter/ttk.pyi",
         "stdlib/xml/dom/NodeFilter.pyi",
         "stdlib/xml/dom/expatbuilder.pyi",
         "stdlib/xml/dom/minidom.pyi",