feat(agent,shield,sysdig-deploy): release agent 14.2.1

[draios-jenkins]

bump agent image tags for agent and shield charts to 14.2.1

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update shield and agent charts for new host-shield release

update the agent chart

change detected: * key "$.image.tag" updated from "14.2.0" to "14.2.1", in file "charts/agent/values.yaml" change detected: * key "$.appVersion" updated from "14.2.0" to "14.2.1", in file "charts/agent/Chart.yaml" change detected: * key "$.version" updated from "2.3.0" to "2.3.1", in file "charts/agent/Chart.yaml"

update the shield chart

change detected: * key "$.host.image.tag" updated from "14.2.0" to "14.2.1", in file "charts/shield/values.yaml" change detected: * key "$.version" updated from "1.19.0" to "1.19.1", in file "charts/shield/Chart.yaml"

GitHub Action workflow link

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