Bump the ktsu group with 1 update

Bumps ktsu.AppDataStorage from 1.15.6 to 1.15.8

---
updated-dependencies:
- dependency-name: ktsu.AppDataStorage
  dependency-version: 1.15.8
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: ktsu
...

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

Author: dependabot[bot]

SyncFileContents/SyncFileContents.csproj

@@ -3,7 +3,7 @@
 
   <ItemGroup>
     <PackageReference Include="CommandLineParser" Version="2.9.1" />
-    <PackageReference Include="ktsu.AppDataStorage" Version="1.15.6" />
+    <PackageReference Include="ktsu.AppDataStorage" Version="1.15.8" />
     <PackageReference Include="ktsu.StrongPaths" Version="1.3.2" />
     <PackageReference Include="ktsu.StrongStrings" Version="1.4.2" />
     <PackageReference Include="LibGit2Sharp" Version="0.31.0" />