Makes data argument optional on transactional delete

[elena-kolevska]

Description

This PR makes the data parameter not required in TransactionalStateOperation for DELETE operations.

Checklist

Please make sure you've completed the relevant tasks for this PR, out of the following list:

• Code compiles correctly
• Created/updated tests
• Extended the documentation

Release Note

RELEASE NOTE: FIX Makes data argument optional on transactional delete

[berndverst]

Fix type check

tox -e type tox -e mypy

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 86.03%. Comparing base (bffb749) to head (e203d14).
Report is 9 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #752      +/-   ##
==========================================
- Coverage   86.63%   86.03%   -0.60%     
==========================================
  Files          84       87       +3     
  Lines        4473     4783     +310     
==========================================
+ Hits         3875     4115     +240     
- Misses        598      668      +70     

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[elena-kolevska]

Fixed. Thanks @berndverst