Events: Add outbound detail protobufs, request status code, and update event encrypt filter. (#1569)

* feat (events): Add status code to audit events

* feat (events): Add the resp proto msg to every audit event

* chore (events): Update eventlogger dep

This latest version will redact any map and/or map field which isn't
explicitly classified via a Taggable interface

* feat (events): Begin to add tagging to response proto msgs

internal/servers/controller/handlers/outgoing_interceptor.go

@@ -7,6 +7,7 @@ import (
 	"strings"
 
 	pbs "github.com/hashicorp/boundary/internal/gen/controller/api/services"
+	"github.com/hashicorp/boundary/internal/observability/event"
 	authtokenpb "github.com/hashicorp/boundary/sdk/pbs/controller/api/resources/authtokens"
 
 	"google.golang.org/protobuf/proto"
@@ -20,13 +21,21 @@ const (
 	statusField           = "status"
 )
 
-func OutgoingInterceptor(_ context.Context, w http.ResponseWriter, m proto.Message) error {
+func OutgoingInterceptor(ctx context.Context, w http.ResponseWriter, m proto.Message) error {
+	const op = "handlers.OutgoingInterceptor"
 	m = m.ProtoReflect().Interface()
 	if !m.ProtoReflect().IsValid() {
 		// This would be the case if it's a nil pointer
 		w.WriteHeader(http.StatusNoContent)
 		return nil
 	}
+
+	// add the outgoing resp proto.  See: common.flushGatedEvents is where the
+	// event.Response.StatusCode is added.
+	if err := event.WriteAudit(ctx, op, event.WithResponse(&event.Response{Details: m})); err != nil {
+		return fmt.Errorf("%s: unable to write audit event: %w", op, err)
+	}
+
 	switch m := m.(type) {
 	case *pbs.AuthenticateResponse:
 		if m.GetAttributes() == nil || m.GetAttributes().GetFields() == nil {