[fix] migration script

migrations/13.0.1.0.0/pre-migration.py

+# © 2022 Le Filament (<http://www.le-filament.com>)
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
+
+from openupgradelib import openupgrade
+
+column_renames = {
+    "res_partner": [("percent_realisation", None)],
+}
+
+
+@openupgrade.migrate()
+def migrate(env, version):
+    openupgrade.rename_columns(env.cr, column_renames)