Bump codedov version

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 87.65%. Comparing base (9bd20f7) to head (ce9f380).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #73 +/- ## ======================================= Coverage 87.65% 87.65% ======================================= Files 36 36 Lines 2899 2899 Branches 355 355 ======================================= Hits 2541 2541 Misses 298 298 Partials 60 60 ``` | [Flag](https://app.codecov.io/gh/pymeasure/pyleco/pull/73/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=pymeasure) | Coverage Δ | | |---|---|---| | [unittests](https://app.codecov.io/gh/pymeasure/pyleco/pull/73/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=pymeasure) | `87.65% <100.00%> (ø)` | | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=pymeasure#carryforward-flags-in-the-pull-request-comment) to find out more.

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