Update dependency System.Drawing.Common to 8.0.18 (#183)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

SIL.NuGetCleaner/SIL.NuGetCleaner.csproj

@@ -30,7 +30,7 @@ See full changelog at https://github.com/sillsdev/SIL.NuGetCleaner/blob/master/C
     <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
     <PackageReference Include="NuGet.Versioning" Version="6.14.0" />
     <PackageReference Include="SIL.ReleaseTasks" Version="3.1.1" PrivateAssets="all" />
-    <PackageReference Include="System.Drawing.Common" Version="8.0.16" />
+    <PackageReference Include="System.Drawing.Common" Version="8.0.18" />
     <PackageReference Include="System.Globalization.Extensions" Version="4.3.0" />
     <PackageReference Include="System.Net.Http" Version="4.3.4" />
     <PackageReference Include="System.Security.Principal.Windows" Version="5.0.0" />