Bump mod-wsgi from 4.6.2 to 4.7.1 in /cvat/requirements (#1746)

Bumps [mod-wsgi](https://github.com/GrahamDumpleton/mod_wsgi) from 4.6.2 to 4.7.1.
- [Release notes](https://github.com/GrahamDumpleton/mod_wsgi/releases)
- [Commits](https://github.com/GrahamDumpleton/mod_wsgi/compare/4.6.2...4.7.1)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

cvat/requirements/production.txt

@@ -1,3 +1,3 @@
 -r base.txt
 psycopg2-binary==2.8.5
-mod-wsgi==4.6.2
+mod-wsgi==4.7.1