Bump Microsoft.NET.Test.Sdk from 16.8.3 to 16.9.1 (JohnnyCrazy#569)

Bumps [Microsoft.NET.Test.Sdk](https://github.com/microsoft/vstest) from 16.8.3 to 16.9.1.
- [Release notes](https://github.com/microsoft/vstest/releases)
- [Commits](microsoft/vstest@v16.8.3...v16.9.1)

Signed-off-by: dependabot[bot] <[email protected]>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

bump to 6.0.0

Use 200 as success code in SaveAlbum/SaveTracks/SaveShows, closes Joh…

…nnyCrazy#496

prepare last last beta - beta.11

prepare last beta - beta.10

prepare beta 9

prepare beta 8

Prepare beta.7 and some README fixes

Prepare 6.0.0-beta.6

prepare beta.5