vendor/libedit: upgrade from 2019-12-31 to 2022-10-30

Most significant changes:

- Fix filename autocompletion for strings like a\)b
- Correct declaration of hook functions.
- Add support for rl_

vendor/libedit: upgrade from 2019-12-31 to 2022-10-30

Most significant changes:

- Fix filename autocompletion for strings like a\)b
- Correct declaration of hook functions.
- Add support for rl_delete_text and rl_set_key
- Improve readline compatibility by adding rl_readline_state support.
- fix memory issues found by fuzzing (double frees and buffer overflows)

See full change log in: https://www.thrysoee.dk/editline/

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vendor/libedit: upgrade from 2019-03-24 to 2019-12-31

Most significant changes:

- avoid screwed terminal when going back in history [1]
- fix undefined terminal behavior in terminal_move_to_line()

vendor/libedit: upgrade from 2019-03-24 to 2019-12-31

Most significant changes:

- avoid screwed terminal when going back in history [1]
- fix undefined terminal behavior in terminal_move_to_line() [2]
- avoid uninitialized memory access in hist_get() [3]
- fix segfault from re_fastputc() in certain situations [4]

[1] http://gnats.netbsd.org/cgi-bin/query-pr-single.pl?number=52359
[2] http://gnats.netbsd.org/cgi-bin/query-pr-single.pl?number=54329
[3] http://gnats.netbsd.org/cgi-bin/query-pr-single.pl?number=54399
[4] http://gnats.netbsd.org/cgi-bin/query-pr-single.pl?number=54654

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Update libedit from version 2017-03-29 to 2019-03-24 on vendor branch

Update libedit from version 2015-03-25 to 2017-03-29 on vendor branch

Update libedit from version 2012-12-13 to 2014-06-20 on vendor branch

Update libedit from version 2012-03-11 to 2012-12-13 on vendor branch

Import NetBSD's LibEdit version 2012-03-11 on vendor branch