Bump dotnet/aspnet in /src/ServicePulse

Bumps dotnet/aspnet from 8.0-noble-chiseled-composite to 9.0-noble-chiseled-composite.

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

src/ServicePulse/Dockerfile

@@ -15,7 +15,7 @@ COPY --from=frontend . .
 RUN dotnet publish src/ServicePulse/ServicePulse.csproj -a $TARGETARCH -o /app
 
 # Host runtime image
-FROM mcr.microsoft.com/dotnet/aspnet:8.0-noble-chiseled-composite
+FROM mcr.microsoft.com/dotnet/aspnet:9.0-noble-chiseled-composite
 ARG VERSION
 WORKDIR /app