We need to override the cloud_host_key with the new OBI changes

[grcevski]

Please see:

https://github.com/open-telemetry/opentelemetry-ebpf-instrumentation/pull/1305/changes#diff-
0edcf6672a788ef8fb6d31c28bc6551d54009745630033924b2e6e6060cabf44L58

Same thing needs to happen for Prometheus, except there we need OBI change to expose the field.

https://github.com/open-telemetry/opentelemetry-ebpf-instrumentation/pull/1305/changes#diff-9d59fb01efb252d4c7a0eef931ba39644853ba4d4393223c55c5bef58c5340a7R62