feat(billing): Add cli subcommand for monthly active user counts

internal/types/action/action.go

@@ -74,7 +74,7 @@ const (
 	AddGrantScopes                     Type = 60
 	SetGrantScopes                     Type = 61
 	RemoveGrantScopes                  Type = 62
-	MonthlyActiveUsers                 Type = 57
+	MonthlyActiveUsers                 Type = 63
 
 	// When adding new actions, be sure to update:
 	//

internal/types/resource/resource.go

@@ -85,6 +85,8 @@ func (r Type) PluralString() string {
 		return "credential-libraries"
 	case Policy:
 		return "policies"
+	case Billing: // never pluralized
+		return "billing"
 	default:
 		return r.String() + "s"
 	}
@@ -96,6 +98,8 @@ func FromPlural(s string) (Type, bool) {
 		return CredentialLibrary, true
 	case "policies":
 		return Policy, true
+	case "billing":
+		return Billing, true
 	default:
 		t, ok := Map[strings.TrimSuffix(s, "s")]
 		return t, ok