Switch away from deprecated zmqhandlers module in Jupyter Server 2.0

[Zsailer]

No description provided.

[codecov]

Codecov Report

Base: 82.57% // Head: 82.57% // No change to project coverage 👍

Coverage data is based on head (11ef6ab) compared to base (36dcd76).
Patch coverage: 100.00% of modified lines in pull request are covered.

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #62   +/-   ##
=======================================
  Coverage   82.57%   82.57%           
=======================================
  Files           7        7           
  Lines         241      241           
  Branches       38       38           
=======================================
  Hits          199      199           
  Misses         33       33           
  Partials        9        9           

Impacted Files	Coverage Δ
jupyter_server_terminals/handlers.py	74.35% <100.00%> (ø)

Help us with your feedback. Take ten seconds to tell us how you rate us. Have a feature suggestion? Share it here.

☔ View full report at Codecov.
📢 Do you have feedback about the report comment? Let us know in this issue.

[blink1073]

Thanks!