Make migrations optional and change the table name to not conflict with other applications

migration/src/lib.rs

@@ -6,6 +6,10 @@ pub struct Migrator;
 
 #[async_trait::async_trait]
 impl MigratorTrait for Migrator {
+    fn migration_table_name() -> sea_orm::DynIden {
+        Alias::new("monzo_ingestion_seaql_migrations").into_iden()
+    }
+
     fn migrations() -> Vec<Box<dyn MigrationTrait>> {
         vec![Box::new(m20230904_141851_create_monzo_tables::Migration)]
     }