patch 8.0.0253: error when loading session if winminheight is 2

Problem:    When creating a session when winminheight is 2 or larger and
            loading that session gives an error.
Solution:   Also set winminheight before setting winheight to 1. (Rafael
            Bodill, neovim #5717)
diff --git a/src/version.c b/src/version.c
index 8645713..19ba72e 100644
--- a/src/version.c
+++ b/src/version.c
@@ -765,6 +765,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    253,
+/**/
     252,
 /**/
     251,