cherry-pick update Python version from 3.8 to 3.9 in Azure pipeline (#…

…1058)

fix build pipeline issues

 bump version to 1.12.0 (#975)

cherry-pick shell changes to release (#923)

Resolves:
#919 which
will improve on top of
#915

I want to bulletproof shell startup as much as possible. 
We shouldn't be showing profile modification prompt if user has shell
integration.

We should also ensure proper clean up.

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Co-authored-by: Anthony Kim <62267334+anthonykim1@users.noreply.github.com>

Cherry pick release 1.8.0 (#829)

Bump version to 1.6.0 in package.json and package-lock.json (#777)

bump to version 1.4.0 (#746)

bump v1.2.0 (#657)

update pet on release branch (#618)