Move to SAST_EXCLUDED_ANALYZERS
requested to merge custom-rulesets-with-passthrough-FREEZE-move-to-SAST_EXCLUDED_ANALYZERS into custom-rulesets-with-passthrough-FREEZE
As part of gitlab-org/gitlab#290777 (closed), move away from SAST_DEFAULT_ANALYZERS and utilize SAST_EXCLUDED_ANALYZERS.