patch 8.2.4849: Gleam filetype not detected

Problem:    Gleam filetype not detected.
Solution:   Add a pattern for Gleam files. (Mathias Jean Johansen,
            closes #10326)
diff --git a/src/version.c b/src/version.c
index d94e2fd..961016c 100644
--- a/src/version.c
+++ b/src/version.c
@@ -747,6 +747,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    4849,
+/**/
     4848,
 /**/
     4847,