Virtualize DataContext.Dispose (#2860)
Virtualize DataContext.Dispose (#2860)

* virtualize DataContext.Dispose

* Update Source/LinqToDB/DataContext.cs

Co-authored-by: Stuart Turner <1c8c08db85a36cc69d975124539be839dea91342@turner-isageek.com>

Co-authored-by: Stuart Turner <1c8c08db85a36cc69d975124539be839dea91342@turner-isageek.com>
LinqToDB4iSeries/linq2db,LinqToDB4iSeries/linq2db,linq2db/linq2db,linq2db/linq2db