DOCSP-46473: Add redirect symlinks for current and upcoming

Author: mcmorisi

config/redirects

@@ -2,12 +2,15 @@ define: prefix docs/drivers/java/sync
 define: base https://www.mongodb.com/${prefix}
 define: versions v4.3 v4.4 v4.5 v4.6 v4.7 v4.8 v4.9 v4.10 v4.11 v5.0 v5.1 v5.2 v5.3 master
 
+symlink: current -> v5.3
+symlink: upcoming -> master
+
 raw: ${prefix}/ -> ${base}/current/
 raw: ${prefix}/master -> ${base}/upcoming/
 
 [*-master]: ${prefix}/${version}/fundamentals/versioned-api/ -> ${base}/${version}/fundamentals/stable-api/
 [*-v4.6]: ${prefix}/${version}/fundamentals/crud/read-operations/change-streams/ -> ${base}/${version}/fundamentals/crud/read-operations/retrieve/
 [*-master]: ${prefix}/${version}/fundamentals/csfle/ -> ${base}/${version}/fundamentals/encrypt-fields/
-[*-master]: ${prefix}/${version}/fundamentals/crud/write-operations/change-a-document/ -> ${base}/${version}/fundamentals/crud/write-operations/modify/
+[*]: ${prefix}/${version}/fundamentals/crud/write-operations/change-a-document/ -> ${base}/${version}/fundamentals/crud/write-operations/modify/
 [*-v4.10]: ${prefix}/${version}/fundamentals/connection/socks/ -> ${base}/${version}/
 [*-v4.8]: ${prefix}/${version}/connection-troubleshooting/ -> ${base}/${version}/