patch 8.2.4069: Vim9: import test fails on MS-Windows

Problem:    Vim9: import test fails on MS-Windows.
Solution:   Ignore case.  Adjust test to avoid name that only differs in case.
diff --git a/src/version.c b/src/version.c
index 74b03e4..a931516 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    4069,
+/**/
     4068,
 /**/
     4067,