Update mcr.microsoft.com/dotnet/aspnet:8.0-alpine Docker digest to be25345 (#1341)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

test/Altinn.App.Analyzers.Tests/testapp/Dockerfile

@@ -8,7 +8,7 @@ COPY /App .
 
 RUN dotnet publish App.csproj --configuration Release --output /app_output
 
-FROM mcr.microsoft.com/dotnet/aspnet:8.0-alpine@sha256:503fd45ad9765c13bdc09bd715cf78b2c0a9bea397fde120a4c5ec496dc6b1db AS final
+FROM mcr.microsoft.com/dotnet/aspnet:8.0-alpine@sha256:be25345551555a8d61b91b603e8ee08a5a7d23779ca8c1e84028fdb551b950ad AS final
 EXPOSE 5005
 WORKDIR /App
 COPY --from=build /app_output .