chore(pre-commit): Add pyupgrade and pycln hooks (#24197)

tests/integration_tests/sql_lab/commands_tests.py

@@ -14,7 +14,7 @@
 # KIND, either express or implied.  See the License for the
 # specific language governing permissions and limitations
 # under the License.
-from unittest import mock, skip
+from unittest import mock
 from unittest.mock import Mock, patch
 
 import pandas as pd