Bump dotnet/aspnet from 8.0 to 10.0 in /docker

Bumps dotnet/aspnet from 8.0 to 10.0.

---
updated-dependencies:
- dependency-name: dotnet/aspnet
  dependency-version: '10.0'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

docker/file-service.Dockerfile

@@ -16,7 +16,7 @@ WORKDIR /src/FileService/FileService.Api
 RUN dotnet publish -c Release -o /app/publish
 
 # ====== Runtime stage ======
-FROM mcr.microsoft.com/dotnet/aspnet:8.0
+FROM mcr.microsoft.com/dotnet/aspnet:10.0
 
 # Install FFmpeg + ffprobe (non-interactive, minimal)
 RUN apt-get update \