Use a single process to interrupt Python Kernels

[DonJayamanne]

Fixes #9909

[codecov-commenter]

Codecov Report

Merging #11096 (ef07676) into main (416a3ea) will increase coverage by 0%. The diff coverage is 25%.

:exclamation: Current head ef07676 differs from pull request most recent head 8a01227. Consider uploading reports for the commit 8a01227 to get more accurate results

@@          Coverage Diff           @@
##            main   #11096   +/-   ##
======================================
  Coverage     63%      63%           
======================================
  Files        482      482           
  Lines      33867    33945   +78     
  Branches    5523     5537   +14     
======================================
+ Hits       21390    21469   +79     
- Misses     10404    10422   +18     
+ Partials    2073     2054   -19     

Impacted Files	Coverage Δ
...els/raw/finder/pythonKernelInterruptDaemon.node.ts	20% <20%> (+1%)	:arrow_up:
src/kernels/raw/launcher/kernelProcess.node.ts	72% <28%> (+2%)	:arrow_up:
src/kernels/raw/launcher/kernelLauncher.node.ts	86% <100%> (+<1%)	:arrow_up:
src/kernels/serviceRegistry.node.ts	96% <100%> (+<1%)	:arrow_up:
src/kernels/raw/session/rawJupyterSession.node.ts	81% <0%> (-3%)	:arrow_down:
src/kernels/installer/productInstaller.node.ts	78% <0%> (-2%)	:arrow_down:
.../notebooks/controllers/vscodeNotebookController.ts	80% <0%> (-2%)	:arrow_down:
src/kernels/jupyter/jupyterKernelService.node.ts	76% <0%> (ø)
src/kernels/execution/cellExecutionCreator.ts	77% <0%> (+<1%)	:arrow_up:
...tive-window/editor-integration/codelensprovider.ts	84% <0%> (+<1%)	:arrow_up:
... and 18 more