Update nokogiri from 1.11.2 to 1.13.8

What does this MR do?

Updates nokogiri from 1.11.2 to 1.13.8 to address the following possible vulnerabilities:

• CVE-2019-20388
• CVE-2020-24977
• CVE-2021-3517
• CVE-2021-3518
• CVE-2021-3537
• CVE-2021-3541
• CVE-2021-41098
• CVE-2022-23308
• CVE-2022-23437
• CVE-2022-24836
• CVE-2018-25032

nokogiri gem is required only by capybara.

Related issues

n/a

Checklist

See Definition of done.

For anything in this list which will not be completed, please provide a reason in the MR discussion.

Required

• Merge Request Title and Description are up to date, accurate, and descriptive
• MR targeting the appropriate branch
• MR has a green pipeline on GitLab.com

Expected (please provide an explanation if not completing)

• Test plan indicating conditions for success has been posted and passes
• [n/a] Documentation created/updated
• [n/a] Tests added
• [n/a] Integration tests added to GitLab QA
• [n/a] Equivalent MR/issue for omnibus-gitlab opened