chore: fix ci setup-py

[sfoster1]

CI's setup-py step has been failing with mysterious pipenv problems. It also only fails once. So try again if it fails. I am not proud

Also somehow an empty notify-server workflow got snuck back in, so remove it

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (9f5c9d0) 67.74% compared to head (1dfbcf9) 67.74%.
Report is 7 commits behind head on chore_release-7.2.0.

Additional details and impacted files

@@                 Coverage Diff                  @@
##           chore_release-7.2.0   #14517   +/-   ##
====================================================
  Coverage                67.74%   67.74%           
====================================================
  Files                     2517     2517           
  Lines                    72068    72068           
  Branches                  9278     9278           
====================================================
  Hits                     48823    48823           
  Misses                   21027    21027           
  Partials                  2218     2218           

Flag	Coverage Δ
g-code-testing	92.43% <ø> (ø)
hardware	57.30% <ø> (ø)
hardware-testing	∅ <ø> (∅)
shared-data	75.26% <ø> (ø)
system-server	96.04% <ø> (ø)
update-server	50.56% <ø> (ø)
usb-bridge	76.94% <ø> (ø)

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[vegano1]

weird