Add Driver for Cryomagnetics TM-620 Cryogenic Temperature Monitor

[trlemon]

Summary

• Added driver for Cryomagnetics TM-620
• Added simulator YAML configuration
• Added tests for TM-620 driver
• Added notebook containing usage examples for the TM-620

[trlemon]

@microsoft-github-policy-service agree company="Microsoft"

[codecov]

Codecov Report

❌ Patch coverage is 97.50000% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 59.37%. Comparing base (976c9cf) to head (3cf224d).
⚠️ Report is 18 commits behind head on main.

Files with missing lines	Patch %	Lines
.../qcodes/instrument_drivers/cryomagnetics/_TM620.py	97.50%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #7398      +/-   ##
==========================================
+ Coverage   59.32%   59.37%   +0.04%     
==========================================
  Files         341      342       +1     
  Lines       30886    30926      +40     
==========================================
+ Hits        18322    18361      +39     
- Misses      12564    12565       +1     

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