autocmd.txt: Update Vim 9.0.0815

Author: tsuyoshicho

en/autocmd.txt

@@ -409,6 +409,7 @@ Name			triggered by ~
 			when popup menu is not visible
 |TextChangedP|		after a change was made to the text in Insert mode
 			when popup menu visible
+|TextChangedT|		after a change was made to the text in Terminal mode
 |TextYankPost|		after text has been yanked or deleted
 
 |SafeState|		nothing pending, going to wait for the user to type a
@@ -1237,6 +1238,10 @@ TextChangedP			After a change was made to the text in the
 				current buffer in Insert mode, only when the
 				popup menu is visible.  Otherwise the same as
 				TextChanged.
+							*TextChangedT*
+TextChangedT			After a change was made to the text in the
+				current buffer in Terminal mode.
+				Otherwise the same as TextChanged.
 							*TextYankPost*
 TextYankPost			After text has been yanked or deleted in the
 				current buffer.  The following values of