patch 8.2.2063: Vim9: only one level of indexing supported

Problem:    Vim9: only one level of indexing supported.
Solution:   Handle more than one index in an assignment.
diff --git a/src/version.c b/src/version.c
index ef1c5db..4165d97 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2063,
+/**/
     2062,
 /**/
     2061,