Update test base images (major)

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
eclipse-temurin	stage	major	17-jdk-focal → 19-jdk-focal
mcr.microsoft.com/dotnet/aspnet	final	major	8.0-bookworm-slim → 9.0-bookworm-slim
mcr.microsoft.com/dotnet/sdk	stage	major	8.0-bookworm-slim → 9.0-bookworm-slim

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[swiatekm]

We need to test these before merging.

[iblancasa]

We need to test these before merging.

Do you mean to check if we are receiving telemetry data? I think we added some tests for that at some point. Should we recover them?

[swiatekm]

We need to test these before merging.

Do you mean to check if we are receiving telemetry data? I think we added some tests for that at some point. Should we recover them?

We do have tests covering that, but they use test images from main. We don't have tests running using test images built from a PR branch. So tests passing on this PR doesn't tell us anything.