patch 9.0.2054: win32: iscygpty needs update

Problem:  win32: iscygpty needs update
Solution: Update iscygpty to the latest version, make use iswascii()
          API function

Import the latest version from https://github.com/k-takata/ptycheck.
This addresses #13332 for iscygpty()

closes: #13392

Signed-off-by: Christian Brabandt <cb@256bit.org>
Co-authored-by: Ken Takata <kentkt@csc.jp>
diff --git a/src/version.c b/src/version.c
index fa01991..6616d07 100644
--- a/src/version.c
+++ b/src/version.c
@@ -705,6 +705,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2054,
+/**/
     2053,
 /**/
     2052,