patch 8.2.2133: Vim9: checking for a non-empty string is too strict

Problem:    Vim9: checking for a non-empty string is too strict.
Solution:   Check for any string. (closes #7447)
diff --git a/src/version.c b/src/version.c
index 5bc5f55..6b0ec41 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2133,
+/**/
     2132,
 /**/
     2131,