Catch release 2.25 (#1408)

Add tests for lexical_operand and custom score modifiers

Add tests for lexical_operand and custom score modifiers

Fix relevance cut-off probe query logic

Revert lexicalOperand changes from structured_vespa_index

Fix relevance cut-off probe query logic

Merge mainline into catch-release-225

Fix tests

Fix update documents crash with special character IDs (#1407)

Catch release 2.25: merge releases/2.25 into mainline

Fix an issue where min_sort_candidates is not used when trimming sort results (#1406)

Fix documentation URLs for restructured docs site (#1400)

Add opt-in lexicalOperand parameter for hybrid search (#1405)

Apply relevance cutoff to facets and trackTotalHits queries (#1388)

Conditionally expose pre_rerank_score to avoid rollback incompatibility (#1403)