Deprecate lend and bend commands (#1514)

Fixes #1450

---------

Co-authored-by: Nicholas Riley <com-github@sabi.net>

BREAKING_CHANGES.txt

@@ -6,6 +6,7 @@ applied given the delay between changes being submitted and the time they were r
 and merged.
 
 ---
+* 2024-07-30 Deprecate `lend` and `bend` commands in favor of `go line end | tail` and `go line start | head`.
 * 2024-07-28 Removed the following actions in favor of the new action/modifier grammar.
     https://github.com/talonhub/community/blob/37a8ebde90c8120a0b52555030988d4f54e65159/core/edit/edit.talon#L3
     cut_word, copy_word, paste_word

tags/line_commands/line_commands.talon

@@ -1,8 +1,12 @@
 tag: user.line_commands
 -
 #this defines some common line commands. More may be defined that are ide-specific.
-lend: edit.line_end()
-bend: edit.line_start()
+lend:
+    user.deprecate_command("2024-07-30", "lend", "go line end | tail")
+    edit.line_end()
+bend:
+    user.deprecate_command("2024-07-30", "bend", "go line start | head")
+    edit.line_start()
 go <number>: edit.jump_line(number)
 go <number> end:
     edit.jump_line(number)