Update to new concat doc for intellisense

[rchiodo]

For #6987
Fixes #1510

Take in the new concat doc for intellisense. Should fix #1510

[codecov-commenter]

Codecov Report

Merging #8310 (be0d88c) into main (f3f77cf) will decrease coverage by 0%.
The diff coverage is n/a.

@@          Coverage Diff          @@
##            main   #8310   +/-   ##
=====================================
- Coverage     72%     72%   -1%     
=====================================
  Files        372     372           
  Lines      23193   23193           
  Branches    3542    3542           
=====================================
- Hits       16752   16742   -10     
- Misses      4993    4995    +2     
- Partials    1448    1456    +8     

Impacted Files	Coverage Δ
...ent/datascience/jupyter/pythonVariableRequester.ts	65% <0%> (-3%)	⬇️
...ence/editor-integration/cellHashProviderFactory.ts	97% <0%> (-3%)	⬇️
src/client/datascience/raw-kernel/rawSocket.ts	82% <0%> (-2%)	⬇️
src/client/datascience/jupyter/kernelVariables.ts	56% <0%> (-2%)	⬇️
...lient/datascience/jupyter/kernels/cellExecution.ts	73% <0%> (-1%)	⬇️
src/client/debugger/jupyter/kernelDebugAdapter.ts	82% <0%> (-1%)	⬇️
src/client/datascience/baseJupyterSession.ts	76% <0%> (+<1%)	⬆️