Bump Serilog.AspNetCore from 6.1.0 to 7.0.0

Bumps [Serilog.AspNetCore](https://github.com/serilog/serilog-aspnetcore) from 6.1.0 to 7.0.0.
- [Release notes](https://github.com/serilog/serilog-aspnetcore/releases)
- [Commits](serilog/serilog-aspnetcore@v6.1.0...v7.0.0)

---
updated-dependencies:
- dependency-name: Serilog.AspNetCore
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

src/NTorSpectator.Observer/NTorSpectator.Observer.csproj

@@ -16,7 +16,7 @@
         <PackageReference Include="Quartz.AspNetCore" Version="3.6.2" />
         <PackageReference Include="Refit" Version="6.3.2" />
         <PackageReference Include="Refit.HttpClientFactory" Version="6.3.2" />
-        <PackageReference Include="Serilog.AspNetCore" Version="6.1.0" />
+        <PackageReference Include="Serilog.AspNetCore" Version="7.0.0" />
         <PackageReference Include="Serilog.Sinks.Seq" Version="5.2.2" />
         <PackageReference Include="prometheus-net.AspNetCore.HealthChecks" Version="8.0.0" />
         <PackageReference Include="Swashbuckle.AspNetCore" Version="6.4.0" />