upgraded to net8 (#7)

Dockerfile

@@ -1,12 +1,12 @@
-FROM mcr.microsoft.com/dotnet/sdk:7.0.402-jammy as build-env
+FROM mcr.microsoft.com/dotnet/sdk:8.0.101-jammy as build-env
 WORKDIR /src/VahterBanBot
 COPY src/VahterBanBot/VahterBanBot.fsproj .
 RUN dotnet restore
 COPY src/VahterBanBot .
 COPY global.json .
 RUN dotnet publish -c Release -o /publish
 
-FROM mcr.microsoft.com/dotnet/aspnet:7.0 as runtime
+FROM mcr.microsoft.com/dotnet/aspnet:8.0 as runtime
 WORKDIR /publish
 COPY --from=build-env /publish .
 ENTRYPOINT ["dotnet", "VahterBanBot.dll"]

global.json

@@ -1,5 +1,5 @@
 {
   "sdk": {
-    "version": "7.0.402"
+    "version": "8.0.101"
   }
 }

src/VahterBanBot/VahterBanBot.fsproj

@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net7.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <WarningsAsErrors>true</WarningsAsErrors>
   </PropertyGroup>