Uk-election-timetables

What's Changed
* Align sopn_publish_date to close of nominations by chris48s in https://github.com/DemocracyClub/uk-election-timetables/pull/51


**Full Changelog**: https://github.com/DemocracyClub/uk-election-timetables/compare/4.2.2...4.2.3

What's Changed
* Prevent City of London special cases from mutating the England calendar by chris48s in https://github.com/DemocracyClub/uk-election-timetables/pull/50

**Full Changelog**: https://github.com/DemocracyClub/uk-election-timetables/compare/4.2.1...4.2.2

What's Changed
* Correction to 2027 Summer Bank Holiday date in Scotland https://github.com/DemocracyClub/uk-election-timetables/pull/49


**Full Changelog**: https://github.com/DemocracyClub/uk-election-timetables/compare/4.2.0...4.2.1

What's Changed
* Update bank holidays: Version 4.2.0 now contains bank holiday dates for 2027


**Full Changelog**: https://github.com/DemocracyClub/uk-election-timetables/compare/4.1.0...4.2.0

What's Changed
* implement special rules for City of London SOPN date by chris48s in https://github.com/DemocracyClub/uk-election-timetables/pull/44

**Full Changelog**: https://github.com/DemocracyClub/uk-election-timetables/compare/4.0.0...4.1.0

Breaking
* Drop testing on python < 3.10 by chris48s in https://github.com/DemocracyClub/uk-election-timetables/pull/41

Added
* Add CityOfLondonLocalElection class by chris48s in https://github.com/DemocracyClub/uk-election-timetables/pull/43

Docs
* Fix incorrect docstrings by chris48s in https://github.com/DemocracyClub/uk-election-timetables/pull/42

New Contributors
* chris48s made their first contribution in https://github.com/DemocracyClub/uk-election-timetables/pull/41

**Full Changelog**: https://github.com/DemocracyClub/uk-election-timetables/compare/3.0.0...4.0.0