patch 9.0.1875: Vim9: improve test for disassemble + static

Problem:  Vim9: improve test for disassemble + static
Solution: Add a Vim9 script disassemble test for an interface with
          static members
closes: #13037

Signed-off-by: Christian Brabandt <cb@256bit.org>
Co-authored-by: Yegappan Lakshmanan <yegappan@yahoo.com>
diff --git a/src/version.c b/src/version.c
index 061e18b..f09039c 100644
--- a/src/version.c
+++ b/src/version.c
@@ -700,6 +700,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1875,
+/**/
     1874,
 /**/
     1873,