[prometheusreceiver] Make use of created timestamp from prometheus

[bacherfl]

Description

This PR implements the AppendCTZeroSample and AppendHistogramCTZeroSample methods which can be called by prometheus to pass through the creation timestamp of a metric

Link to tracking issue

Fixes #36473

Testing

Added unit tests

[dashpole]

I think we might need the prometheus update for this to work: #36642

[bacherfl]

I think we might need the prometheus update for this to work: #36642

thanks for the link to the PR - I was wondering if I should also include the dependency update in my PR but in this case I will wait for the dependency update PR to get merged.

One other thing: As of now, it seems like the CreatedTimestamp() method is only implemented for the openmetrics parser, but not for the prometheus parser - So I think we need to wait with removing the receiver.prometheusreceiver.UseCreatedMetric and keep the code related to that for now.