Query Store Service

[Benjin]

Adds the Query Store service, which generates queries needed to fetch the data for all query store reports

[github-actions]

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[Benjin]

Just a draft for now to take a look at how things are working as I finish adding the tests.

At @cheenamalhotra's recommendation, I may end up swapping to instead construct and execute a SqlCommand, and return an ID that ADS can then use to retrieve the result set, as this would remove the need to roll my own .NET -> TSQL datatype conversion code.

[kisantia]

looks like the other tests also need the line ending change made for the ForcedPlanQueries and TrackedQueries tests, now that they're getting past the timezone failure