Bump the ktsu group with 1 update

Bumps ktsu.Extensions from 1.5.17 to 1.5.18

---
updated-dependencies:
- dependency-name: ktsu.Extensions
  dependency-version: 1.5.18
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: ktsu
...

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

Author: dependabot[bot]

Directory.Packages.props

@@ -5,7 +5,7 @@
   <ItemGroup>
     <PackageVersion Include="CommandLineParser" Version="2.9.1" />
     <PackageVersion Include="ConsoleTools" Version="1.2.1" />
-    <PackageVersion Include="ktsu.Extensions" Version="1.5.17" />
+    <PackageVersion Include="ktsu.Extensions" Version="1.5.18" />
     <PackageVersion Include="ktsu.Semantics.Strings" Version="1.1.2" />
     <PackageVersion Include="ktsu.Semantics.Paths" Version="1.1.2" />
     <PackageVersion Include="Microsoft.SourceLink.GitHub" Version="10.0.300" />