chore(deps): update gvenzl/oracle-free docker tag to v23.7 (ibis-project#10964)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

compose.yaml

@@ -348,7 +348,7 @@ services:
       - druid
 
   oracle:
-    image: gvenzl/oracle-free:23.6-slim
+    image: gvenzl/oracle-free:23.7-slim
     environment:
       ORACLE_PASSWORD: ibis
       ORACLE_DATABASE: IBIS_TESTING