Bump MarkdownSnippets.MsBuild from 21.6.1 to 21.7.0 in /src (#263)
Bump MarkdownSnippets.MsBuild from 21.6.1 to 21.7.0 in /src (#263)

Bumps [MarkdownSnippets.MsBuild](https://github.com/SimonCropp/MarkdownSnippets) from 21.6.1 to 21.7.0.
- [Release notes](https://github.com/SimonCropp/MarkdownSnippets/releases)
- [Commits](https://github.com/SimonCropp/MarkdownSnippets/commits)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>

Co-authored-by: dependabot-preview[bot] <6a4c1c4838f800d1998274cd5234e1f65c55e90c@users.noreply.github.com>
SimonCropp/NServiceBus.MessagePack