SAST VR – Backend (3) – Audit events for SAST VR setting changes + GraphQL mutation update

What does this MR do and why?

Add audit-log entries for every enable/disable/lock change of SAST VR, and update ProjectSettingsUpdate GraphQL mutation to use the new ability for the SAST VR attribute.

Changelog: added

This MR closes: SAST VR – Backend (3) – Audit events for SAST V... (#599650 - closed) • Charlie Kroon • 19.1

References

• Main epic: SAST Vulnerability Resolution – Permission AppS... (gitlab-org#21725) • Charlie Kroon • 19.1
  • Backend epic: SAST Vulnerability Resolution - Backend (gitlab-org#21971) • Charlie Kroon

Relevant MR's:

• SAST VR – Backend (1) – Create new custom abili... (!235831 - merged) • Charlie Kroon • 19.1
• SAST VR – Backend (2) – Add feature flag + repl... (!237031 - merged) • Charlie Kroon • 19.1
• SAST Vulnerability Resolution - Rename created ... (!238336 - merged) • Charlie Kroon • 19.1