chore: Apply whitespace fixes from hooks

- Remove trailing whitespace
- Correct single newline at end of files (skip for json)
- Update to formatting in a few places due to black

qt/pe/modules/block.c

@@ -163,4 +163,4 @@ PyObject *PyInit__block_qt(void) {
     return NULL;
   }
   return m;
-}
+}