[RELEASE] Crawler version 9.1.4

Changed
 IndexedSearchCrawlerHook::class is marked as deprecated and will be removed when dropping support for TYPO3 9LTS and 10LTS

Deprecated Classes
 IndexedSearchCrawlerHook

Deprecated Functions & Properties
 CrawlerController-getDuplicateRowsIfExist()

Fixed
 Auto-loading for non-composer projects fixed