Third-Party Update: JSLT lib to Version 0.1.11 (was 0.1.8)

This is a drop in replacement maintenance update, containing non breaking bugfixes and new features only. For details please see original release notes at https://github.com/schibsted/jslt/releases

(CMS-21466)

New Search Suggestions and ExtensionPoint

The Headless server now offers suggestions for search expressions. Suggestions are retrieved via the new SuggestionsAdapter, where the business logic is implemented and replaceable by an SPI via the plugin ExtensionPoint SuggestionSearchServiceProvider.

Please see the headless manual for details.

(CMS-20710)