fix(iac): K3s - fix created_hosts name #105

Job	Run time
docker (alloy, observability/grafana-alloy, observability/grafana-alloy/Dockerfile, cogstacksyste...	32s
docker (grafana, observability/grafana, observability/grafana/Dockerfile, cogstacksystems/cogstac...	26s
docker (traefik, observability/traefik, observability/traefik/Dockerfile, cogstacksystems/cogstac...	31s
docker (prometheus, observability/prometheus, observability/prometheus/Dockerfile.prometheus, cog...	25s
Test observability Quickstart scripts	34s
docker (blackbox, observability/prometheus, observability/prometheus/Dockerfile.blackbox, cogstac...	1m 11s
	3m 39s

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