Fix ignored remote ruleset passthroughs

What does this MR do?

Fix ignored remote ruleset passthroughs

• Add e2e test for disabling rules that come from a remote passthrough ruleset, as described in gitlab-org/gitlab#472568 (comment 2002741631)
• Upgrade ruleset to 3.1.1 which includes an update that enables this fix
• Remove workaround that sets Config.Path to ""
• Remove rogue >>>main

What are the relevant issue numbers?

Disabling vulnerability from remote ruleset is ... (gitlab-org/gitlab#472568 - closed) • Craig Smith • 17.3

Does this MR meet the acceptance criteria?

• Changelog entry added
• Documentation created/updated for GitLab EE, if necessary
• Documentation created/updated for this project, if necessary
• Documentation reviewed by technical writer or follow-up review issue created
• Tests updated/added for this feature/bug
• Job definition updated, if necessary
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• Conforms to the code review guidelines
• Conforms to the Go guidelines
• Security reports checked/validated by reviewer