Bump ppy.osu.Game from 2021.916.0 to 2021.1006.1

Bumps [ppy.osu.Game](https://github.com/ppy/osu) from 2021.916.0 to 2021.1006.1.
- [Release notes](https://github.com/ppy/osu/releases)
- [Commits](ppy/osu@2021.916.0...2021.1006.1)

---
updated-dependencies:
- dependency-name: ppy.osu.Game
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

osu.Game.Rulesets.Tau/osu.Game.Rulesets.Tau.csproj

@@ -14,7 +14,7 @@
     <EmbeddedResource Include="Resources\**" />
   </ItemGroup>
   <ItemGroup>
-    <PackageReference Include="ppy.osu.Game" Version="2021.916.0" />
+    <PackageReference Include="ppy.osu.Game" Version="2021.1006.1" />
   </ItemGroup>
   <ItemGroup>
     <Folder Include="Resources\Samples\Gameplay" />