fix pre commit to work with Python 3.14

[kviktor]

pyupgrade seems to be broken with Python 3.14: https://results.pre-commit.ci/run/github/378788/1776631910.QbTYYRE7S7qLCRa9vCkEUA

bumping the version seems to fix the issue

➜  django-dbtemplates git:(fix-pre-commit) [?] uvx prek run --all-files
pyupgrade................................................................Passed
check for merge conflicts................................................Passed
check yaml...............................................................Passed