Bump NUnit.Analyzers and SixLabors.ImageSharp

Bumps NUnit.Analyzers from 4.8.0 to 4.8.1
Bumps SixLabors.ImageSharp from 3.1.8 to 3.1.9

---
updated-dependencies:
- dependency-name: NUnit.Analyzers
  dependency-version: 4.8.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: SixLabors.ImageSharp
  dependency-version: 3.1.9
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

ImageSharpCompare/ImageSharpCompare.csproj

@@ -44,7 +44,7 @@
 	</ItemGroup>
 
 	<ItemGroup>
-		<PackageReference Include="SixLabors.ImageSharp" Version="3.1.8" />
+		<PackageReference Include="SixLabors.ImageSharp" Version="3.1.9" />
 		<PackageReference Include="SonarAnalyzer.CSharp" Version="10.9.0.115408">
 			<PrivateAssets>all</PrivateAssets>
 			<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>

ImageSharpCompareTestNunit/ImageSharpCompareTestNunit.csproj

@@ -13,7 +13,7 @@
 		  <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
 		</PackageReference>
 		<PackageReference Include="nunit" Version="4.3.2" />
-		<PackageReference Include="NUnit.Analyzers" Version="4.8.0">
+		<PackageReference Include="NUnit.Analyzers" Version="4.8.1">
 		  <PrivateAssets>all</PrivateAssets>
 		  <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
 		</PackageReference>