Disable ruff modern 'with' syntax

Because we need python 3.6.
We do this by setting ruff target-version to the lowest supported.

Author: sbidoul

click_odoo_contrib/backupdb.py

@@ -115,11 +115,9 @@ def main(env, dbname, dest, force, if_exists, format, filestore):
         filestore = False
     db = odoo.sql_db.db_connect(dbname)
     try:
-        with (
-            backup(format, dest, "w") as _backup,
-            db.cursor() as cr,
-            db_management_enabled(),
-        ):
+        with backup(
+            format, dest, "w"
+        ) as _backup, db.cursor() as cr, db_management_enabled():
             if format != "dump":
                 _create_manifest(cr, dbname, _backup)
             if filestore:

pyproject.toml

@@ -9,3 +9,6 @@ build-backend = "setuptools.build_meta"
     issue_format = "`#{issue} <https://github.com/acsone/click-odoo-contrib/issues/{issue}>`_"
     directory = "newsfragments/"
     filename = "CHANGES.rst"
+
+[tool.ruff]
+target-version = "py37"