Deprecate and change verb update to merge

[Affie]

• Variable
• Factor
• VariableState
• Blobentry

[codecov]

Codecov Report

Attention: Patch coverage is 85.13514% with 11 lines in your changes missing coverage. Please review.

Project coverage is 75.32%. Comparing base (7b98ea2) to head (a1981f6).
Report is 1 commits behind head on develop.

Files with missing lines	Patch %	Lines
src/services/DFGVariable.jl	40.00%	6 Missing ⚠️
src/DataBlobs/services/HelpersDataWrapEntryBlob.jl	60.00%	2 Missing ⚠️
src/GraphsDFG/services/GraphsDFG.jl	81.81%	2 Missing ⚠️
src/Deprecated.jl	96.66%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #1135      +/-   ##
===========================================
- Coverage    75.57%   75.32%   -0.26%     
===========================================
  Files           28       28              
  Lines         2391     2399       +8     
===========================================
  Hits          1807     1807              
- Misses         584      592       +8     

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