[8.18] Set OracleDB version back to :latest (#3826) (#3836)

Backports the following commits to 8.18:
 - Set OracleDB version back to :latest (#3826)

Co-authored-by: Matt Nowzari <[email protected]>
Co-authored-by: Artem Shelkovnikov <[email protected]>

Author: 3 people

tests/sources/fixtures/oracle/docker-compose.yml

@@ -25,7 +25,7 @@ services:
       - esnet
 
   oracle:
-    image: container-registry.oracle.com/database/free:23.8.0.0
+    image: container-registry.oracle.com/database/free:latest
     ports:
       - 1521:1521
     environment: