Update to .NET 8

- Update dependencies
- Replace document library

src/Dockerfile

@@ -1,4 +1,4 @@
-FROM mcr.microsoft.com/dotnet/sdk:7.0-alpine AS build
+FROM mcr.microsoft.com/dotnet/sdk:8.0-alpine AS build
 WORKDIR /pt
 COPY ./PrayerTracker.sln                              ./
 COPY ./Directory.Build.props                          ./
@@ -15,11 +15,11 @@ RUN dotnet run
 WORKDIR /pt/PrayerTracker
 RUN dotnet publish -c Release -r linux-x64
 
-FROM  mcr.microsoft.com/dotnet/aspnet:7.0-alpine as final
+FROM  mcr.microsoft.com/dotnet/aspnet:8.0-alpine as final
 WORKDIR /app
 RUN apk add --no-cache icu-libs
 ENV DOTNET_SYSTEM_GLOBALIZATION_INVARIANT=false
-COPY --from=build /pt/PrayerTracker/bin/Release/net7.0/linux-x64/publish/ ./
+COPY --from=build /pt/PrayerTracker/bin/Release/net8.0/linux-x64/publish/ ./
 
 EXPOSE 80
 CMD [ "dotnet", "/app/PrayerTracker.dll" ]