adding convenience class method to the StrEnum class

[seb5g]

No description provided.

[codecov]

Codecov Report

❌ Patch coverage is 71.42857% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 74.95%. Comparing base (75bee84) to head (a72c960).
⚠️ Report is 2 commits behind head on 1.0.x_dev.

Files with missing lines	Patch %	Lines
src/pymodaq_utils/enums.py	71.42%	2 Missing ⚠️

Additional details and impacted files

@@              Coverage Diff              @@
##           1.0.x_dev      #65      +/-   ##
=============================================
- Coverage      74.97%   74.95%   -0.02%     
=============================================
  Files             18       18              
  Lines           1670     1677       +7     
=============================================
+ Hits            1252     1257       +5     
- Misses           418      420       +2     

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