Bump System.Drawing.Common from 4.6.0 to 7.0.0

Bumps [System.Drawing.Common](https://github.com/dotnet/runtime) from 4.6.0 to 7.0.0.
- [Release notes](https://github.com/dotnet/runtime/releases)
- [Commits](https://github.com/dotnet/runtime/commits)

---
updated-dependencies:
- dependency-name: System.Drawing.Common
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

src/MozJpegSharp.GdiPlus/MozJpegSharp.GdiPlus.csproj

@@ -19,7 +19,7 @@
   </PropertyGroup>
 
   <ItemGroup Condition="'$(TargetFramework)' != 'net461'">
-    <PackageReference Include="System.Drawing.Common" Version="5.0.3" />
+    <PackageReference Include="System.Drawing.Common" Version="7.0.0" />
   </ItemGroup>
 
   <ItemGroup>