patch 8.2.0783: libvterm code lags behind the upstream version

Problem:    Libvterm code lags behind the upstream version.
Solution:   Include revisions 728 - 729.
diff --git a/src/libvterm/t/26state_query.test b/src/libvterm/t/26state_query.test
index 3ace2d5..c6be90b 100644
--- a/src/libvterm/t/26state_query.test
+++ b/src/libvterm/t/26state_query.test
@@ -59,4 +59,4 @@
 
 !Truncation on attempted buffer overflow
 PUSH "\e[6n" x 30
-  output "\e[10;10R" x 24
+  output "\e[10;10R" x 25