Bump Serilog.AspNetCore in /src/WebApiBolierplate/API

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/WebApiBolierplate/API/API.csproj

@@ -14,7 +14,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.AspNetCore.Authentication.JwtBearer" Version="8.0.11" />
-    <PackageReference Include="Serilog.AspNetCore" Version="8.0.3" />
+    <PackageReference Include="Serilog.AspNetCore" Version="9.0.0" />
     <PackageReference Include="Swashbuckle.AspNetCore" Version="7.1.0" />
   </ItemGroup>