build(deps): bump dotnet/aspnet from 8.0-alpine to 9.0-alpine

Bumps dotnet/aspnet from 8.0-alpine to 9.0-alpine.

---
updated-dependencies:
- dependency-name: dotnet/aspnet
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Dockerfile

@@ -9,7 +9,7 @@ RUN dotnet restore
 RUN dotnet publish SimplePasswordManagerService -c Release -o out
 
 # Build runtime image
-FROM mcr.microsoft.com/dotnet/aspnet:8.0-alpine
+FROM mcr.microsoft.com/dotnet/aspnet:9.0-alpine
 WORKDIR /App
 COPY --from=build-env /App/out .
 ENTRYPOINT ["dotnet", "SimplePasswordManagerService.dll"]