bug#59679: 29.0.50; python + tree-sitter: Syntax highlighting is sometimes wrong with multi line docstrings

[Matthias Paulmier]

Steps to reproduce:
- emacs -Q
- find-file "foo.py"
- write the following file

```
def test():
     '''This is a function

     It just does nothing and it's ok.
     '''
     pass
```
- at this point, syntax highlighting should be good
- kill-buffer
- find-file "foo.py"
- syntax highlighting doesn't show properly (comment ends after "it'"
and pass is shown with the `font-lock-doc-face')


In GNU Emacs 29.0.50 (build 1, x86_64-pc-linux-gnu, GTK+ Version
3.24.20, cairo version 1.16.0) of 2022-11-23 built on 20045CLT490
Repository revision: 43060910874f46579fa190d9b5534508e4ea058e
Repository branch: master
Windowing system distributor 'The X.Org Foundation', version 11.0.12013000
System Description: Ubuntu 20.04.5 LTS

Configured features:
ACL CAIRO DBUS FREETYPE GIF GLIB GMP GNUTLS GPM GSETTINGS HARFBUZZ JPEG
JSON LCMS2 LIBOTF LIBSELINUX LIBSYSTEMD LIBXML2 M17N_FLT MODULES NOTIFY
INOTIFY PDUMPER PNG RSVG SECCOMP SOUND SQLITE3 THREADS TIFF
TOOLKIT_SCROLL_BARS X11 XDBE XIM XINPUT2 XPM GTK3 ZLIB

Important settings:
value of $LC_ALL: fr_FR.UTF-8
value of $LC_CTYPE: fr_FR.UTF-8
value of $LANG: fr_FR
locale-coding-system: utf-8-unix

Major mode: Python

Minor modes in effect:
tooltip-mode: t
global-eldoc-mode: t
eldoc-mode: t
show-paren-mode: t
electric-indent-mode: t
mouse-wheel-mode: t
tool-bar-mode: t
menu-bar-mode: t
file-name-shadow-mode: t
global-font-lock-mode: t
font-lock-mode: t
blink-cursor-mode: t
line-number-mode: t
transient-mark-mode: t
auto-composition-mode: t
auto-encryption-mode: t
auto-compression-mode: t

Load-path shadows:
None found.

Features:
(shadow sort mail-extr emacsbug message mailcap yank-media puny dired
dired-loaddefs rfc822 mml mml-sec password-cache epa derived epg rfc6068
epg-config gnus-util text-property-search time-date subr-x mm-decode
mm-bodies mm-encode mail-parse rfc2231 mailabbrev gmm-utils mailheader
sendmail rfc2047 rfc2045 ietf-drums mm-util mail-prsvr mail-utils vc-hg
vc-git diff-mode vc-bzr vc-src vc-sccs vc-svn vc-cvs vc-rcs log-view
easy-mmode pcvs-util vc vc-dispatcher python rx project byte-opt gv
bytecomp byte-compile pcase treesit cl-seq comint ansi-osc ring
cl-loaddefs cl-lib ansi-color rmc iso-transl tooltip cconv eldoc paren
electric uniquify ediff-hook vc-hooks lisp-float-type elisp-mode mwheel
term/x-win x-win term/common-win x-dnd tool-bar dnd fontset image
regexp-opt fringe tabulated-list replace newcomment text-mode lisp-mode
prog-mode register page tab-bar menu-bar rfn-eshadow isearch easymenu
timer select scroll-bar mouse jit-lock font-lock syntax font-core
term/tty-colors frame minibuffer nadvice seq simple cl-generic
indonesian philippine cham georgian utf-8-lang misc-lang vietnamese
tibetan thai tai-viet lao korean japanese eucjp-ms cp51932 hebrew greek
romanian slovak czech european ethiopic indian cyrillic chinese
composite emoji-zwj charscript charprop case-table epa-hook
jka-cmpr-hook help abbrev obarray oclosure cl-preloaded button loaddefs
theme-loaddefs faces cus-face macroexp files window text-properties
overlay sha1 md5 base64 format env code-pages mule custom widget keymap
hashtable-print-readable backquote threads dbusbind inotify lcms2
dynamic-setting system-font-setting font-render-setting cairo
move-toolbar gtk x-toolkit xinput2 x multi-tty make-network-process
emacs)

Memory information:
((conses 16 67878 7612)
(symbols 48 8488 0)
(strings 32 25282 1967)
(string-bytes 1 742048)
(vectors 16 16094)
(vector-slots 8 211336 10774)
(floats 8 30 47)
(intervals 56 389 0)
(buffers 984 13))