feat: replace user scim v2 endpoint (#9163)

# Which Problems Are Solved
- Adds support for the replace user SCIM v2 endpoint

# How the Problems Are Solved
- Adds support for the replace user SCIM v2 endpoint under `PUT
/scim/v2/{orgID}/Users/{id}`

# Additional Changes
- Respect the `Active` field in the SCIM v2 create user endpoint `POST
/scim/v2/{orgID}/Users`
- Eventually consistent read endpoints used in SCIM tests are wrapped in
`assert.EventuallyWithT` to work around race conditions

# Additional Context
Part of #8140

internal/api/scim/server.go

@@ -55,6 +55,7 @@ func mapResource[T sresources.ResourceHolder](router *mux.Router, mw zhttp_middl
 
 	resourceRouter.Handle("", mw(handleResourceCreatedResponse(adapter.Create))).Methods(http.MethodPost)
 	resourceRouter.Handle("/{id}", mw(handleResourceResponse(adapter.Get))).Methods(http.MethodGet)
+	resourceRouter.Handle("/{id}", mw(handleResourceResponse(adapter.Replace))).Methods(http.MethodPut)
 	resourceRouter.Handle("/{id}", mw(handleEmptyResponse(adapter.Delete))).Methods(http.MethodDelete)
 }