Bump YeelightAPI from 1.9.0-beta-CI-20200804-094711 to 1.9.0 (#1)

Bumps [YeelightAPI](https://github.com/roddone/YeelightAPI) from 1.9.0-beta-CI-20200804-094711 to 1.9.0.
- [Release notes](https://github.com/roddone/YeelightAPI/releases)
- [Commits](https://github.com/roddone/YeelightAPI/commits)

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

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

Author: dependabot[bot]

mediocre/mediocre.csproj

@@ -20,7 +20,7 @@
   <ItemGroup>
     <PackageReference Include="CommandLineParser" Version="2.8.0" />
     <PackageReference Include="System.Drawing.Common" Version="4.7.0" />
-    <PackageReference Include="YeelightAPI" Version="1.9.0-beta-CI-20200804-094711" />
+    <PackageReference Include="YeelightAPI" Version="1.9.0" />
   </ItemGroup>
 
 </Project>

prototype/prototype.csproj

@@ -22,7 +22,7 @@
   <ItemGroup>
     <PackageReference Include="System.Drawing.Common" Version="4.7.0" />
     <PackageReference Include="System.Runtime.CompilerServices.Unsafe" Version="4.7.1" />
-    <PackageReference Include="YeelightAPI" Version="1.9.0-beta-CI-20200804-094711" />
+    <PackageReference Include="YeelightAPI" Version="1.9.0" />
   </ItemGroup>
 
 </Project>