(deps): Bump Serilog.Sinks.File

Bumps the serilog group with 1 update in the /new-cli directory: [Serilog.Sinks.File](https://github.com/serilog/serilog-sinks-file).


Updates `Serilog.Sinks.File` from 6.0.0 to 7.0.0
- [Release notes](https://github.com/serilog/serilog-sinks-file/releases)
- [Changelog](https://github.com/serilog/serilog-sinks-file/blob/dev/CHANGES.md)
- [Commits](serilog/serilog-sinks-file@v6.0.0...v7.0.0)

---
updated-dependencies:
- dependency-name: Serilog.Sinks.File
  dependency-version: 7.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: serilog
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

new-cli/Directory.Packages.props

@@ -18,7 +18,7 @@
     <PackageVersion Include="Scriban" Version="6.2.1" />
     <PackageVersion Include="Serilog.Extensions.Logging" Version="9.0.1" />
     <PackageVersion Include="Serilog.Sinks.Console" Version="6.0.0" />
-    <PackageVersion Include="Serilog.Sinks.File" Version="6.0.0" />
+    <PackageVersion Include="Serilog.Sinks.File" Version="7.0.0" />
     <PackageVersion Include="Serilog.Sinks.Map" Version="2.0.0" />
     <PackageVersion Include="System.CommandLine" Version="2.0.0-beta5.25225.101" />
     <PackageVersion Include="System.IO.Abstractions" Version="22.0.14" />