patch 8.2.3318: Vim9: cannot ignore quotes in number at the command line

Problem:    Vim9: cannot ignore quotes in number at the command line.
Solution:   Use in_vim9script() so that after ":vim9" quotes are ignored.
diff --git a/src/typval.c b/src/typval.c
index 389ca34..5a62fa0 100644
--- a/src/typval.c
+++ b/src/typval.c
@@ -1704,7 +1704,7 @@
 	int	    want_string UNUSED)
 {
     int		len;
-    int		skip_quotes = current_sctx.sc_version >= 4;
+    int		skip_quotes = current_sctx.sc_version >= 4 || in_vim9script();
 #ifdef FEAT_FLOAT
     char_u	*p;
     int		get_float = FALSE;