Patch nginx-module-vts to compile with gcc 11

What does this MR do?

nginx-module-vts can not be compiled with gcc 11. This is fixed in upstream, but is not released yet. Hence it is applied as patch.

See: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99578

Related issues

Closes #7178 (closed)

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
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Expected (please provide an explanation if not completing)

• Test plan indicating conditions for success has been posted and passes
• Documentation created/updated
• Tests added
• Integration tests added to GitLab QA
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