patch 8.2.2146: Vim9: automatic conversion of number to string for dict key

Problem:    Vim9: automatic conversion of number to string for dict key.
Solution:   Do not convert number to string. (closes #7474)
diff --git a/src/version.c b/src/version.c
index aeac265..a95042c 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2146,
+/**/
     2145,
 /**/
     2144,