Update dependency pytz to v2025

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This PR contains the following updates:

Package	Type	Update	Change
pytz	project.dependencies	major	>=2024,<2025 -> >=2025,<2026

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Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

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• If you want to rebase/retry this PR, check this box

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This PR has been generated by Renovate Bot.

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⚠️ Artifact update problem

Renovate failed to update an artifact related to this branch. You probably do not want to merge this PR as-is.

♻ Renovate will retry this branch, including artifacts, only when one of the following happens:

• any of the package files in this branch needs updating, or
• the branch becomes conflicted, or
• you click the rebase/retry checkbox if found above, or
• you rename this PR's title to start with "rebase!" to trigger it manually

The artifact failure details are included below:

File name: pdm.lock

Command failed: pdm update --no-sync --update-eager pytz
WARNING: Project requires a python version of <3.12,>=3.11, The virtualenv is being created for you as it cannot be matched to the right version.
INFO: python.use_venv is on, creating a virtualenv for this project...
Virtualenv is created successfully at /tmp/renovate/repos/github/robert-koch-institut/mex-editor/.venv
ERROR: Unable to find a resolution for pytz
because of the following conflicts:
  pytz<2024.2,>=2024 (from mex-common@git+https://github.com/robert-koch-institut/[email protected])
  pytz<2024.2,>=2024 (from mex-common@git+https://github.com/robert-koch-institut/mex-common.git@408511b12507ab374dda937600875359c131b903)
  pytz<2026,>=2025 (from project)
To fix this, you could loosen the dependency version constraints in pyproject.toml. See https://pdm-project.org/en/latest/usage/lockfile/#solve-the-locking-failure for more details.
See /home/ubuntu/.local/state/pdm/log/pdm-lock-7svh_6if.log for detailed debug log.
[ResolutionImpossible]: Unable to find a resolution
WARNING: Add '-v' to see the detailed traceback

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Renovate Ignore Notification

Because you closed this PR without merging, Renovate will ignore this update. You will not get PRs for any future 2025.x releases. But if you manually upgrade to 2025.x then Renovate will re-enable minor and patch updates automatically.

If you accidentally closed this PR, or if you changed your mind: rename this PR to get a fresh replacement PR.