Prep for Release Helper Usage

[jtpio]

cf jupyter-server/jupyter_releaser#3

[codecov-commenter]

Codecov Report

Merging #494 (cf50700) into master (ca5622a) will increase coverage by 0.04%.
The diff coverage is n/a.

❗ Current head cf50700 differs from pull request most recent head 6f4c0b8. Consider uploading reports for the commit 6f4c0b8 to get more accurate results

@@            Coverage Diff             @@
##           master     #494      +/-   ##
==========================================
+ Coverage   77.70%   77.74%   +0.04%     
==========================================
  Files         106      106              
  Lines        9256     9256              
  Branches      996      996              
==========================================
+ Hits         7192     7196       +4     
+ Misses       1707     1705       -2     
+ Partials      357      355       -2     

Impacted Files	Coverage Δ
jupyter_server/services/kernels/kernelmanager.py	81.09% <0.00%> (+0.72%)	⬆️
jupyter_server/tests/services/kernels/test_api.py	99.01% <0.00%> (+1.96%)	⬆️

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