Update deprecation warning

[Carreau]

No description provided.

[codecov]

Codecov Report

Base: 80.05% // Head: 80.01% // Decreases project coverage by -0.03% ⚠️

Coverage data is based on head (1bdf131) compared to base (7e26967).
Patch has no changes to coverable lines.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1148      +/-   ##
==========================================
- Coverage   80.05%   80.01%   -0.04%     
==========================================
  Files          68       68              
  Lines        8062     8062              
  Branches     1600     1600              
==========================================
- Hits         6454     6451       -3     
- Misses       1184     1187       +3     
  Partials      424      424              

Impacted Files	Coverage Δ
jupyter_server/utils.py	85.11% <ø> (ø)
...ter_server/services/kernels/connection/channels.py	58.71% <0.00%> (-1.11%)	⬇️
jupyter_server/serverapp.py	80.38% <0.00%> (+0.17%)	⬆️

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[blink1073]

Thanks!