chore(deps): update dotnet monorepo

| datasource | package                      | from  | to    |
| ---------- | ---------------------------- | ----- | ----- |
| nuget      | Microsoft.Extensions.Hosting | 7.0.1 | 8.0.1 |
| docker     | mcr.microsoft.com/dotnet/sdk | 7.0   | 9.0   |

Dockerfile

@@ -1,5 +1,5 @@
 # Set the base image as the .NET 7.0 SDK (this includes the runtime)
-FROM mcr.microsoft.com/dotnet/sdk:7.0 as build-env
+FROM mcr.microsoft.com/dotnet/sdk:9.0 as build-env
 
 # Copy everything and publish the release (publish implicitly restores and builds)
 COPY . ./
@@ -14,6 +14,6 @@ LABEL homepage="https://github.com/KinsonDigital/PackageMonster"
 LABEL com.github.actions.name="Got Nuget"
 
 # Relayer the .NET SDK, anew with the build output
-FROM mcr.microsoft.com/dotnet/sdk:7.0
+FROM mcr.microsoft.com/dotnet/sdk:9.0
 COPY --from=build-env /out .
 ENTRYPOINT [ "dotnet", "/PackageMonster.dll" ]

PackageMonster/PackageMonster.csproj

@@ -26,7 +26,7 @@
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
-    <PackageReference Include="Microsoft.Extensions.Hosting" Version="7.0.1" />
+    <PackageReference Include="Microsoft.Extensions.Hosting" Version="8.0.1" />
     <PackageReference Include="RestSharp" Version="110.2.0" />
     <PackageReference Include="StyleCop.Analyzers" Version="1.1.118">
       <PrivateAssets>all</PrivateAssets>