Enhance Javascript Open Redirect 2 community rule to use taint mode and add sanitizer patterns

What does this MR do?

This MR enhances the rule - https://gitlab.com/gitlab-org/security-products/sast-rules/-/blob/main/rules/lgpl/javascript/redirect/rule-express_open_redirect2.yml to do multiple things:

1. Changes rule to use Taint mode
2. Adds multiple Sanitizer Patterns
3. Changes description to add remediation text with secure example

It also adds various test cases corresponding to rule patterns for thorough test coverage.

What are the relevant issue numbers?

Addresses issue : gitlab-org/gitlab#440623 (closed)

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
• Conforms to the code review guidelines
• Conforms to the Go guidelines
• Security reports checked/validated by reviewer