Merge pull request microsoft#2063 from microsoft/fix-appservice-npe

Fix NPE when create/update app service deployment slot

Merge pull request microsoft#2063 from microsoft/fix-appservice-npe

Fix NPE when create/update app service deployment slot

Merge pull request microsoft#2063 from microsoft/fix-appservice-npe

Fix NPE when create/update app service deployment slot

Merge pull request microsoft#2063 from microsoft/fix-appservice-npe

Fix NPE when create/update app service deployment slot

bump version of azure-toolkit-libs to 0.21.1

spring app deployment status is `DELETED` after deploying succeeded.

Merge branch 'endgame-202205' into endgame-202205.deprecation

spring app deployment status is `DELETED` after deploying succeeded.

Merge pull request microsoft#1956 from microsoft/bump-version-toolkit…

…-libs-0.17.1

bump up version of azure-toolkit-libs to `0.17.1`

Merge pull request microsoft#1954 from microsoft/bugfixes-202202

fix miscellaneous bugs found in endgame test.