Bump AWSSDK.S3 from 3.7.415.14 to 3.7.415.18 in /Fronter.NET (#809)

Bumps [AWSSDK.S3](https://github.com/aws/aws-sdk-net) from 3.7.415.14 to 3.7.415.18.
- [Release notes](https://github.com/aws/aws-sdk-net/releases)
- [Changelog](https://github.com/aws/aws-sdk-net/blob/main/SDK.CHANGELOG.MD)
- [Commits](https://github.com/aws/aws-sdk-net/commits)

---
updated-dependencies:
- dependency-name: AWSSDK.S3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

Fronter.NET/Fronter.csproj

@@ -64,7 +64,7 @@
         <PackageReference Condition="'$(Configuration)' == 'Debug'" Include="Avalonia.Diagnostics" Version="$(AvaloniaVersion)" />
         <PackageReference Include="Avalonia.ReactiveUI" Version="$(AvaloniaVersion)" />
         <PackageReference Include="Avalonia.Themes.Fluent" Version="$(AvaloniaVersion)" />
-        <PackageReference Include="AWSSDK.S3" Version="3.7.415.14" />
+        <PackageReference Include="AWSSDK.S3" Version="3.7.415.18" />
         <PackageReference Include="DynamicData" Version="9.1.2" />
         <PackageReference Include="MessageBox.Avalonia" Version="3.2.0" />
         <PackageReference Include="MessageBox.Avalonia.Markdown" Version="3.2.0" />