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[instagram] Error when using cookies: "unable to extract username/video url"

See original GitHub issue

Checklist

I’m reporting a bug unrelated to a specific site
I’ve verified that I’m running yt-dlp version 2022.03.08.1. (update instructions)
I’ve checked that all provided URLs are alive and playable in a browser
I’ve checked that all URLs and arguments with special characters are properly quoted or escaped
I’ve searched the bugtracker for similar issues including closed ones. DO NOT post duplicates
I’ve read the guidelines for opening an issue

Description

error while trying to download private or public instagram videos using cookies option

Verbose log

arthur@blackpower Season 1 % yt-dlp "https://www.instagram.com/p/CaZ9f0JplRO/" --cookies ~/instagram.com_cookies.txt -vU
[debug] Command-line config: ['https://www.instagram.com/p/CaZ9f0JplRO/', '--cookies', '/Users/arthur/instagram.com_cookies.txt', '-vU']
[debug] Encodings: locale UTF-8, fs utf-8, out utf-8, err utf-8, pref UTF-8
[debug] yt-dlp version 2022.03.08.2 [e491d06d3]
[debug] Python version 3.10.2 (CPython 64bit) - macOS-11.3-x86_64-i386-64bit
[debug] exe versions: ffmpeg 5.0 (setts), ffprobe 5.0, rtmpdump 2.4
[debug] Optional libraries: brotli, Cryptodome, mutagen, sqlite, websockets
[debug] Proxy map: {}
Latest version: 2022.03.08.1, Current version: 2022.03.08.2
yt-dlp is up to date (2022.03.08.2)
[debug] [Instagram] Extracting URL: https://www.instagram.com/p/CaZ9f0JplRO/
[Instagram] CaZ9f0JplRO: Downloading webpage
WARNING: [Instagram] unable to extract username; please report this issue on  https://github.com/yt-dlp/yt-dlp , filling out the "Broken site" issue template properly. Confirm you are on the latest version using  yt-dlp -U
ERROR: [Instagram] CaZ9f0JplRO: Unable to extract video url; please report this issue on  https://github.com/yt-dlp/yt-dlp , filling out the "Broken site" issue template properly. Confirm you are on the latest version using  yt-dlp -U
  File "/usr/local/Cellar/yt-dlp/2022.3.8.2/libexec/lib/python3.10/site-packages/yt_dlp/extractor/common.py", line 617, in extract
    ie_result = self._real_extract(url)
  File "/usr/local/Cellar/yt-dlp/2022.3.8.2/libexec/lib/python3.10/site-packages/yt_dlp/extractor/instagram.py", line 421, in _real_extract
    video_url = self._og_search_video_url(webpage, secure=False)
  File "/usr/local/Cellar/yt-dlp/2022.3.8.2/libexec/lib/python3.10/site-packages/yt_dlp/extractor/common.py", line 1307, in _og_search_video_url
    return self._html_search_regex(regexes, html, name, **kargs)
  File "/usr/local/Cellar/yt-dlp/2022.3.8.2/libexec/lib/python3.10/site-packages/yt_dlp/extractor/common.py", line 1201, in _html_search_regex
    res = self._search_regex(pattern, string, name, default, fatal, flags, group)
  File "/usr/local/Cellar/yt-dlp/2022.3.8.2/libexec/lib/python3.10/site-packages/yt_dlp/extractor/common.py", line 1192, in _search_regex
    raise RegexNotFoundError('Unable to extract %s' % _name)