Update function coverage documentation (#379)

Co-authored-by: LocalStack Bot <[email protected]>

Author: HarshCasper

src/content/docs/snowflake/sql-functions.md

@@ -782,6 +782,7 @@ The content will be updated as additional query features and functions are imple
 |SYSTEM$RESTORE_PRIVATELINK_ENDPOINT_TSS|❌|
 |SYSTEM$REVOKE_PRIVATELINK|❌|
 |SYSTEM$REVOKE_STAGE_PRIVATELINK_ACCESS|❌|
+|SYSTEM$SAP_BDC_LIST_SHARES|❌|
 |SYSTEM$SCHEDULE_ASYNC_REPLICATION_GROUP_REFRESH|❌|
 |SYSTEM$SEND_NOTIFICATIONS_TO_CATALOG|❌|
 |SYSTEM$SET_APPLICATION_RESTRICTED_FEATURE_ACCESS|❌|