Bump the ktsu group with 2 updates

Bumps ktsu.CaseConverter from 1.3.2 to 1.3.3
Bumps ktsu.Extensions from 1.5.6 to 1.5.7

---
updated-dependencies:
- dependency-name: ktsu.CaseConverter
  dependency-version: 1.3.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: ktsu
- dependency-name: ktsu.Extensions
  dependency-version: 1.5.7
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: ktsu
...

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

Author: dependabot[bot]

IconHelper/IconHelper.csproj

@@ -2,8 +2,8 @@
 
   <ItemGroup>
     <PackageReference Include="CommandLineParser" Version="2.9.1" />
-    <PackageReference Include="ktsu.CaseConverter" Version="1.3.2" />
-    <PackageReference Include="ktsu.Extensions" Version="1.5.6" />
+    <PackageReference Include="ktsu.CaseConverter" Version="1.3.3" />
+    <PackageReference Include="ktsu.Extensions" Version="1.5.7" />
     <PackageReference Include="SixLabors.ImageSharp" Version="3.1.10" />
   </ItemGroup>