Update ruleset module to support remote Custom Rulesets

What does this MR do?

Updates ruleset module to the latest version(v2.0.2) to support loading remote Custom Rulesets.

Note: report module doesn't directly get impacted by this upgrade since the feature primarily benefits SAST analyzers. Since SAST analyzers have a direct dependency on report module which currently refers to ruleset/v1, when upgrading SAST analyzers to ruleset/v2, they end up installing both v2(direct) and v1(transitive) versions.

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 added for this feature/bug
• Job definition updated, if necessary
  • Auto-DevOps template
  • Job definition example
  • CI Templates
• Ensure the report version matches the equivalent schema version
• Conforms to the code review guidelines
• Conforms to the Go guidelines
• Security reports checked/validated by reviewer