patch 8.2.2860: adding a text property causes the whole window to be redawn

Problem:    Adding a text property causes the whole window to be redawn.
Solution:   Use changed_lines_buf() to only redraw the affected lines.
diff --git a/src/version.c b/src/version.c
index 6a37ad5..cd42c0a 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2860,
+/**/
     2859,
 /**/
     2858,