Update runtime files

https://github.com/vim/vim/commit/d13166e788fcaef59ec65c20b46ca4be16625669

- Skip E1309-1311 (not ported).
- Skip `:echowindow` changes (not ported).
- Skip termdebug winbar doc changes (not fully ported).
- Port missing `g:termdebug_config.{wide,use_prompt}` changes from v8.2.5010.

Co-authored-by: Bram Moolenaar <Bram@vim.org>

vim-patch:9.0.0341: mapset() does not restore <Nop> mapping properly

Problem:    mapset() does not restore <Nop> mapping properly.
Solution:   Use an empty string for <Nop>. (closes vim/vim#11022)
https://github.com/vim/vim/commit/92a3d20682d46359bb50a452b4f831659e799155

Problem:    The terminal debugger can't set a breakpoint with the mouse.
Solution:   Add popup menu entries.
https://github.com/vim/vim/commit/71137fed4d77e985d49ca32c79f030512767b8ce

This ports missing popup menu code to termdebug plugin.
Despite the commit message, the code is copied from latest Vim.
WinBar code is commented out and WinBar docs is not ported.

Update runtime files
https://github.com/vim/vim/commit/e1dc76fbf333243ecfdfc3c0a81ea9984913b4f5

Update runtime files
https://github.com/vim/vim/commit/8cc5b559f70041361612b8a6a87922503b33baa6

Problem:    The terminal debugger uses various global variables.
Solution:   Add a dictionary to hold the terminal debugger preferences.
https://github.com/vim/vim/commit/c9a431c7638ecebb6f2cb3eabd0e1b2b5e269c1e

Omit popup menu.

Update runtime files, translations
https://github.com/vim/vim/commit/921bde88804663a7cb825d7f7e8a5d8ae6b58650

skip: translations
skip: builtin.txt (requires 8.2.4861)

Update runtime files
https://github.com/vim/vim/commit/d899e51120798d3fb5420abb1f19dddf3f014d05

- Skip vimhelp.vim stuff (syntax/help.vim, syntax.txt; v8.2.4891).
- Skip :let heredoc eval stuff (eval.txt; v8.2.4770).
- Skip uk.cp1251.po.
- Skip `*hl-CurSearch*` change (syntax.txt):
  - Vim's CurSearch works differently (Nvim's uses current cursor pos).
    Dunno know how applicable the redrawing comment is to Nvim...
  - Might be preferred to move it under `*hl-Search*` like Vim?

Update runtime files
https://github.com/vim/vim/commit/75ab590f8504a8912ca0b8c58f6b897bb7a34f07

omit builtin.txt change to `expand()` (depends on 8.2.4726)

s:EndTermDebug should only be called when exiting if the debugger started
without error, otherwise the plugin breaks.

Vim handles this by using job_setoptions to set the on_exit callback to
s:EndTermDebug after startup succeeds. However, Nvim does not have such
functionality; instead; use s:starting to mimic this behaviour.

Also, introduce s:running to fix s:CheckGdbRunning; it did not work correctly
due to the "[Process exited X]" message keeping the job's channel alive (though
the stream is closed). This means nvim_get_chan_info cannot be used to check if
the debugger has exited, as it may still return a non-empty dict.