build(deps): bump pytz from 2023.3 to 2024.2 in /backend/uclapi (#4273)

Bumps [pytz](https://github.com/stub42/pytz) from 2023.3 to 2024.2.
- [Release notes](https://github.com/stub42/pytz/releases)
- [Commits](stub42/pytz@release_2023.3...release_2024.2)

---
updated-dependencies:
- dependency-name: pytz
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Zak Morgan <zcabzsm@ucl.ac.uk>

version: 1.4.11

version: 1.4.10

version: 1.4.9

version: 1.4.8

version: 1.4.7 (#4164)

Co-authored-by: Github Actions <actions@github.com>

version: 1.4.6 (#4162)

Co-authored-by: Github Actions <actions@github.com>

version: 1.4.5 (#4160)

Co-authored-by: Github Actions <actions@github.com>

version: 1.4.4 (#4133)

Co-authored-by: Github Actions <actions@github.com>

version: 1.4.3 (#4131)

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