- Upgrade Milvus java sdk to 2.5.4
- Remove use of fastjson
- Use com.google.gson.JsonObject as Milvus SDK replaces fastjson with gson
- Change SearchResult RowRecord similarity metric name to score
- Milvus SDK 2.5.4 uses "score" instead of "distance"
Signed-off-by: Ilayaperumal Gopinathan <ilayaperumal.gopinathan@broadcom.com>