Small typing cleanups

[jenshnielsen]

No description provided.

[codecov]

Codecov Report

❌ Patch coverage is 33.33333% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 59.79%. Comparing base (6bbb13b) to head (eb56b9c).
⚠️ Report is 19 commits behind head on main.

Files with missing lines	Patch %	Lines
src/qcodes/parameters/parameter_base.py	0.00%	2 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #7716   +/-   ##
=======================================
  Coverage   59.79%   59.79%           
=======================================
  Files         352      352           
  Lines       31788    31788           
=======================================
  Hits        19007    19007           
  Misses      12781    12781           

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