Bluefors cryo temperature controller

[GabrielePalazzo]

@alecandido, @scarrazza, @stavros11 if you agree, we should continue here.

Checklist:

• [ ] Reviewers confirm new code works as expected.
• [ ] Tests are passing.
• [ ] Coverage does not decrease.
• [ ] Documentation is updated.

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 96.15385% with 1 lines in your changes are missing coverage. Please review.

Project coverage is 65.23%. Comparing base (53d6ea1) to head (11cfa8d). Report is 116 commits behind head on main.

Files	Patch %	Lines
src/qibolab/instruments/bluefors.py	96.15%	1 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #842 +/- ## ========================================== + Coverage 65.09% 65.23% +0.13% ========================================== Files 50 51 +1 Lines 6034 6060 +26 ========================================== + Hits 3928 3953 +25 - Misses 2106 2107 +1 ``` | [Flag](https://app.codecov.io/gh/qiboteam/qibolab/pull/842/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=qiboteam) | Coverage Δ | | |---|---|---| | [unittests](https://app.codecov.io/gh/qiboteam/qibolab/pull/842/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=qiboteam) | `65.23% <96.15%> (+0.13%)` | :arrow_up: | 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=qiboteam#carryforward-flags-in-the-pull-request-comment) to find out more.

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[alecandido]

The moment this will get merged, I'd proceed to close #834 and #594.