Diagnostic provider for '!pip install' and `!conda install'

[DonJayamanne]

For #6864

[codecov-commenter]

Codecov Report

Merging #8255 (a1654f4) into main (645147d) will increase coverage by 0%.
The diff coverage is 88%.

@@          Coverage Diff           @@
##            main   #8255    +/-   ##
======================================
  Coverage     72%     72%            
======================================
  Files        370     371     +1     
  Lines      22835   22957   +122     
  Branches    3472    3493    +21     
======================================
+ Hits       16451   16550    +99     
- Misses      4954    4965    +11     
- Partials    1430    1442    +12     

Impacted Files	Coverage Δ
...client/datascience/notebook/diagnosticsProvider.ts	88% <88%> (ø)
src/client/common/utils/localize.ts	95% <100%> (+<1%)	⬆️
src/client/datascience/notebook/serviceRegistry.ts	100% <100%> (ø)
...atascience/interactive-window/interactiveWindow.ts	63% <0%> (-2%)	⬇️
.../datascience/editor-integration/codeLensFactory.ts	87% <0%> (-2%)	⬇️
src/client/datascience/baseJupyterSession.ts	75% <0%> (-1%)	⬇️
...lient/datascience/jupyter/kernels/cellExecution.ts	73% <0%> (-1%)	⬇️
src/client/debugger/jupyter/kernelDebugAdapter.ts	82% <0%> (+<1%)	⬆️
src/client/ioc/container.ts	100% <0%> (+13%)	⬆️