Bump SixLabors.ImageSharp.Drawing from 1.0.0-beta15 to 1.0.0 (#59)

Bumps [SixLabors.ImageSharp.Drawing](https://github.com/SixLabors/ImageSharp.Drawing) from 1.0.0-beta15 to 1.0.0.
- [Release notes](https://github.com/SixLabors/ImageSharp.Drawing/releases)
- [Commits](SixLabors/ImageSharp.Drawing@v1.0.0-beta15...v1.0.0)

---
updated-dependencies:
- dependency-name: SixLabors.ImageSharp.Drawing
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Author: dependabot[bot]

Kattbot/Kattbot.csproj

@@ -18,7 +18,7 @@
     <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="7.0.4" />
     <PackageReference Include="PuppeteerSharp" Version="9.1.0" />
 	<PackageReference Include="SixLabors.ImageSharp" Version="3.0.1" />
-    <PackageReference Include="SixLabors.ImageSharp.Drawing" Version="1.0.0-beta15" />
+    <PackageReference Include="SixLabors.ImageSharp.Drawing" Version="1.0.0" />
     <PackageReference Include="StyleCop.Analyzers" Version="1.2.0-beta.507">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>