Updating documentation for text_similarity_reranker for 8.x#126971

Samiul-TheSoccerFan merged 2 commits intoelastic:8.xelastic/elasticsearch:8.xfrom

Samiul-TheSoccerFan:update_documentation_for_semantic_rerank_8.xSamiul-TheSoccerFan/elasticsearch:update_documentation_for_semantic_rerank_8.xCopy head branch name to clipboard