Fix sku values in ARM template

[BruceHaley]

Fixes #minor

Description

This fixes pipeline BotBuilder-DotNet-Functional-Tests-Linux-yaml.
##[error]InvalidResourceEntity: Invalid sku name for ABS. Allowed values: F0, S1.

Fix is the same as in microsoft/BotBuilder-Samples#3732

[Coveralls (coveralls)]

Pull Request Test Coverage Report for Build 302029

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 2 unchanged lines in 2 files lost coverage.
• Overall coverage decreased (-0.003%) to 78.702%

---

Files with Coverage Reduction	New Missed Lines	%
/libraries/AdaptiveExpressions/BuiltinFunctions/GetNextViableTime.cs	1	93.94%
/libraries/AdaptiveExpressions/BuiltinFunctions/GetPreviousViableTime.cs	1	90.91%

Totals
Change from base Build 301524:	-0.003%
Covered Lines:	25290
Relevant Lines:	32134

---

💛 - Coveralls