update azure-pipelines-tasks-azure-arm-rest package version in AzureR…

[v-snalawade]

…mWebAppDeploymentV4

Task name: AzureRmWebAppDeploymentV4

Description:update azure-pipelines-tasks-azure-arm-rest package version for azurestackenvironment

Documentation changes required: (Y/N) N

Added unit tests: (Y/N)

Attached related issue: (Y/N) <Bug2205554>

Checklist:

• [X] Task version was bumped - please check instruction how to do it
• [X] Checked that applied changes work as expected