patch 8.2.1876: Vim9: argument types are not checked at compile time

Problem:    Vim9: argument types for builtin functions are not checked at
            compile time.
Solution:   Add an argument type checking mechanism. Implement type checks for
            one function.
diff --git a/src/version.c b/src/version.c
index 8e5c08f..ce5f83a 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1876,
+/**/
     1875,
 /**/
     1874,