Update vector search release (#1024)

Author: katarinasupe

pages/ai-ecosystem/graph-rag.mdx

@@ -64,7 +64,7 @@ Here are the most useful features in Memgraph to build a GraphRAG:
 - [Dynamic PageRank](/advanced-algorithms/available-algorithms/pagerank_online)
 - [Text search](/querying/text-search)
 - [Run-time schema tracking](/querying/schema#run-time-schema-tracking)
-- **Coming soon - Memgraph 2.21** - Vector search - Usually used in the first
+- **Coming soon** - Vector search - Usually used in the first
   step of finding and extracting relevant information (pivot search)
 - **Coming soon - Memgraph 2.21** - Leiden community detection - Proven to be a
   better and faster version of Louvain community detection, guaranteeing