Bump System.Drawing.Common from 4.7.0 to 4.7.2 in /YiSha.Util/YiSha.Util

Bumps [System.Drawing.Common](https://github.com/dotnet/corefx) from 4.7.0 to 4.7.2.
- [Release notes](https://github.com/dotnet/corefx/releases)
- [Commits](https://github.com/dotnet/corefx/commits)

---
updated-dependencies:
- dependency-name: System.Drawing.Common
  dependency-type: direct:production
...

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

YiSha.Util/YiSha.Util/YiSha.Util.csproj

@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
     <TargetFramework>netcoreapp3.1</TargetFramework>
@@ -13,7 +13,7 @@
     </PackageReference>
     <PackageReference Include="NLog.Web.AspNetCore" Version="4.9.2" />
     <PackageReference Include="NPOI" Version="2.4.1" />
-    <PackageReference Include="System.Drawing.Common" Version="4.7.0" />
+    <PackageReference Include="System.Drawing.Common" Version="4.7.2" />
   </ItemGroup>
 
   <ItemGroup>