[6.1] Cleanup semaphore holder (dotnet#3664)

Remove parameter not defined (dotnet#3670)

MDS Release v7.0.0-preview1

Update AKV versions and dependencies (dotnet#3569)

Updated AKV nuspec to note compatibility with MDS 6.1.1.

[6.1] Revert partial packet fixup and replay improvements (dotnet#3556)

* Revert 1af7327

* Revert "Fix TryReadPlpBytes throws ArgumentException (dotnet#3470) (dotnet#3474)"

This reverts commit 0a55896.

* Revert 44762d9

* Revert "Improve async string perf and fix reading chars with initial offset. (dotnet#3377)"

This reverts commit 05df554.

* Revert "Refine handling of moving between replay and continue states (dotnet#3337)"

This reverts commit 265f522.

* Revert "Fix SqlCached buffer async read with continue edge case. (dotnet#3329)"

This reverts commit c3857b1.

* Revert "Add `async` snapshot continue capability for multipacket fields (dotnet#3161)"

This reverts commit 33364e7.

* Revert "Add partial packet detection and fixup (dotnet#2714)"

This reverts commit 8d5e4f2.

* Remove methods previously moved to common file.

* Supply byte buffer to vector read.

* Minor compilation fixes that were missed in the reverts.

* Remove partial packet context switch helpers.

* Remove accidental duplication of SqlDataReader

* Revert len change

* Undo buff rental in netfx to simplify 6.0 diff.

* Fix missed rented buff code.

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Co-authored-by: Cheena Malhotra <[email protected]>

MDS v6.1.0 GA Release

MDS v6.1.0 Preview 2

Merge | Port SqlDataSourceConverter, widen test coverage (dotnet#3309)

* Port type converter for DataSource, FailoverPartner

Also add test coverage for this type converter (and for the netfx-only NetworkLibraryConverter.)

* Tests: pass DescriptorContext to InitialCatalogConverter.GetStandardValuesSupported

Port localizations for the new SNI_ERROR_10 code from PR dotnet#3284 (d…

…otnet#3308)

Added localizations for the new SNI_ERROR_10 code from PR dotnet#3284.

MDS Release v5.1.7