DAST Saved Scans : Rename routing for Manage Saved Scans Links

the url for manage dast scans ends with /dast_profiles but it should end with /dast_scans.

from:

• https://gitlab.com/gitlab-org/security-products/dast-testing/-/security/configuration/dast_profiles

to:

• https://gitlab.com/gitlab-org/security-products/dast-testing/-/security/configuration/dast_scans

Implementation Plan

• Create new route dast_scans - !56960 (merged)
• Update links to dast_scans - !56966 (merged)
• clean up old route dast_profiles - #326289 (closed)

Documentation

• [-] Look for any updates at https://docs.gitlab.com/ee/user/application_security/dast/ (none found)

Related issues

• To match the anchor names - #325159 (closed)
  • !57205 (merged)