consolidate retry into retry wrapped lambda

[tony]

No description provided.

[codecov-io]

Codecov Report

Merging #353 into master will increase coverage by 0.38%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #353      +/-   ##
==========================================
+ Coverage   75.28%   75.67%   +0.38%     
==========================================
  Files           5        5              
  Lines         777      777              
  Branches      226      226              
==========================================
+ Hits          585      588       +3     
+ Misses        137      136       -1     
+ Partials       55       53       -2

Impacted Files	Coverage Δ
tmuxp/workspacebuilder.py	90.9% <0%> (+1.81%)	⬆️

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