Fix wrong documentation on extraPorts hostPort property

[and1truong]

PR Description

Correct extraPorts hostPort property.

Which issue(s) this PR fixes

Notes to the Reviewer

PR Checklist

• CHANGELOG.md updated

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All committers have signed the CLA.

[tpaschalis]

Looks like that the chart is using both port and hostPort

alloy/operations/helm/charts/alloy/templates/cluster_service.yaml

Lines 25 to 29 in 5af9243

	{{- range $portMap := $values.extraPorts }}
	- name: {{ $portMap.name }}
	port: {{ $portMap.port }}
	targetPort: {{ $portMap.targetPort }}
	protocol: {{ coalesce $portMap.protocol "TCP" }}

alloy/operations/helm/charts/alloy/templates/containers/_agent.yaml

Lines 42 to 48 in 5af9243

	{{- range $portMap := $values.extraPorts }}
	- containerPort: {{ $portMap.targetPort }}
	{{- if $portMap.hostPort }}
	hostPort: {{ $portMap.hostPort }}
	{{- end}}
	name: {{ $portMap.name }}
	protocol: {{ coalesce $portMap.protocol "TCP" }}

Should this be an addition or should we use the same field in both places here?

[and1truong]

Thanks @tpaschalis great catching. I pushed the change.

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