Restore GitHub token access for CodeQL, issue locking and issue assignment

[joyceerhl]

For #6170

[codecov-commenter]

Codecov Report

Merging #6179 (0d4c601) into main (a37eb12) will decrease coverage by 0%.
The diff coverage is 84%.

@@          Coverage Diff          @@
##            main   #6179   +/-   ##
=====================================
- Coverage     72%     72%   -1%     
=====================================
  Files        399     399           
  Lines      26869   26885   +16     
  Branches    3954    3958    +4     
=====================================
- Hits       19428   19425    -3     
- Misses      5790    5807   +17     
- Partials    1651    1653    +2     

Impacted Files	Coverage Δ
...ient/datascience/jupyter/kernels/kernelSelector.ts	87% <76%> (-4%)	⬇️
...rc/client/datascience/commands/notebookCommands.ts	69% <100%> (+1%)	⬆️
...science/jupyter/kernels/kernelDependencyService.ts	89% <100%> (+<1%)	⬆️
...t/datascience/jupyter/jupyterInvalidKernelError.ts	66% <0%> (-34%)	⬇️
src/client/common/process/pythonDaemonPool.ts	75% <0%> (-5%)	⬇️
src/client/datascience/jupyter/jupyterSession.ts	75% <0%> (-5%)	⬇️
...ience/notebook/emptyNotebookCellLanguageService.ts	72% <0%> (-4%)	⬇️
src/client/datascience/baseJupyterSession.ts	71% <0%> (-3%)	⬇️
...datascience/editor-integration/codelensprovider.ts	82% <0%> (-2%)	⬇️
...client/datascience/kernel-launcher/kernelDaemon.ts	53% <0%> (-2%)	⬇️
... and 6 more