Merge pull request #53 from CapstoneProjectCMC/dependabot/docker/docker/main/dotnet/sdk-9.0

Bump dotnet/sdk from 8.0 to 9.0 in /docker

Author: yunomix2834

docker/file-service.Dockerfile

@@ -1,5 +1,5 @@
 # ====== Build stage ======
-FROM mcr.microsoft.com/dotnet/sdk:8.0 AS build
+FROM mcr.microsoft.com/dotnet/sdk:9.0 AS build
 WORKDIR /src
 
 COPY FileService/FileService.Core/FileService.Core.csproj FileService.Core/