Bump Serilog.AspNetCore from 8.0.3 to 9.0.0 in /src

Bumps [Serilog.AspNetCore](https://github.com/serilog/serilog-aspnetcore) from 8.0.3 to 9.0.0.
- [Release notes](https://github.com/serilog/serilog-aspnetcore/releases)
- [Commits](serilog/serilog-aspnetcore@v8.0.3...v9.0.0)

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

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

src/ESPresense.Companion.csproj

@@ -30,7 +30,7 @@
     <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
     <PackageReference Include="Nito.AsyncEx" Version="5.1.2" />
     <PackageReference Include="Polly" Version="8.5.0" />
-    <PackageReference Include="Serilog.AspNetCore" Version="8.0.3" />
+    <PackageReference Include="Serilog.AspNetCore" Version="9.0.0" />
     <PackageReference Include="sqlite-net-base" Version="1.9.172" />
     <PackageReference Include="sqlitepclraw.bundle_e_sqlite3" Version="2.1.10" />
     <PackageReference Include="TextExtensions" Version="1.0.0" />