Add translation

src/components/execution-environment/repository-form.tsx

@@ -511,7 +511,7 @@ export class RepositoryForm extends React.Component<IProps, IState> {
         this.state.formErrors,
         ['name', 'registry', 'registries'],
         (alert) => this.addAlert(alert),
-        `Error when saving registry.`,
+        t`Error when saving registry.`,
       );
       return Promise.reject(new Error(e));
     });