updating docker things

Dockerfile

@@ -1,4 +1,4 @@
-FROM mcr.microsoft.com/dotnet/sdk:6.0 AS build-env
+FROM mcr.microsoft.com/dotnet/sdk:8.0 AS build-env
 WORKDIR /App
 
 # Copy everything
@@ -14,7 +14,7 @@ RUN dotnet restore
 RUN dotnet build -c Release -o out
 
 # Build runtime image
-FROM mcr.microsoft.com/dotnet/aspnet:6.0
+FROM mcr.microsoft.com/dotnet/aspnet:8.0
 
 RUN apt update && apt install -y ffmpeg libopus-dev opus-tools libsodium-dev
 WORKDIR /App