gh-132305: Make Argument Clinic code compatible with Python 3.10 (#132306)

Author: serhiy-storchaka

Modules/_ctypes/cfield.c

@@ -1480,7 +1480,7 @@ for nbytes in 8, 16, 32, 64:
             f'{sgn}{nbytes}_get_sw',
         ]
         print(f'    formattable.fmt_{sgn}{nbytes} = (struct fielddesc){{')
-        print(f'            {', '.join(parts)} }};')
+        print(f'            {", ".join(parts)} }};')
 [python start generated code]*/
     formattable.fmt_i8 = (struct fielddesc){
             0, &ffi_type_sint8, i8_set, i8_get, i8_set_sw, i8_get_sw };
@@ -1498,7 +1498,7 @@ for nbytes in 8, 16, 32, 64:
             0, &ffi_type_sint64, i64_set, i64_get, i64_set_sw, i64_get_sw };
     formattable.fmt_u64 = (struct fielddesc){
             0, &ffi_type_uint64, u64_set, u64_get, u64_set_sw, u64_get_sw };
-/*[python end generated code: output=16806fe0ca3a9c4c input=850b8dd6388b1b10]*/
+/*[python end generated code: output=16806fe0ca3a9c4c input=96348a06e575f801]*/
 
 
     /* Native C integers.