Update integration exclusions services to handle groups

What does this MR do and why?

• Create group exclusions and propagate changes to descendants
• Destroy exclusions by updating to the default integration and propagating changes to descendants

These services will be instantiated with groups in a following MR: !153785 (merged)

MR acceptance checklist

Please evaluate this MR against the MR acceptance checklist. It helps you analyze changes to reduce risks in quality, performance, reliability, security, and maintainability.

Query plans

From https://gitlab.com/gitlab-org/gitlab/-/blob/454372-update-exclusions-services-for-groups//app/services/integrations/exclusions/destroy_service.rb#L15

• https://console.postgres.ai/gitlab/gitlab-production-main/sessions/28985/commands/90394

From https://gitlab.com/gitlab-org/gitlab/-/blob/454372-update-exclusions-services-for-groups/app/services/integrations/exclusions/create_service.rb#L47

• https://console.postgres.ai/gitlab/gitlab-production-main/sessions/28985/commands/90391

From https://gitlab.com/gitlab-org/gitlab/-/blob/454372-update-exclusions-services-for-groups/app/services/integrations/exclusions/create_service.rb#L75

• https://console.postgres.ai/gitlab/gitlab-production-main/sessions/29030/commands/90465

Related to #454372 (closed)