Fix backup jobs query and add missing config

VERSION

@@ -1 +1 @@
-1.3.72
+1.3.73

app/backups/backend/router.py

@@ -161,7 +161,7 @@ async def list_backups(
     query += " ORDER BY created_at DESC LIMIT %s OFFSET %s"
     params.extend([limit, offset])
     
-    backups = execute_query_single(query, tuple(params))
+    backups = execute_query(query, tuple(params))
     
     return backups if backups else []
 

app/core/config.py

@@ -104,6 +104,7 @@ class Settings(BaseSettings):
     BACKUP_ENABLED: bool = True
     BACKUP_STORAGE_PATH: str = "/app/backups"
     BACKUP_DRY_RUN: bool = False
+    BACKUP_READ_ONLY: bool = False
     BACKUP_RETENTION_DAYS: int = 30
     BACKUP_RETENTION_MONTHLY: int = 12
     BACKUP_MAX_SIZE_GB: int = 100