Bump plugin-site-api docker image version to v1.16.0

[jenkins-infra-updatecli]

Bump `plugin-site-api` docker image and `plugin-site` helm chart versions

Update rating helm chart

key "$.backend.image.tag" updated from "298-c00d66" to "v1.16.0", in file "charts/plugin-site/values.yaml" key "$.version" updated from "0.4.3" to "0.4.4", in file "charts/plugin-site/Chart.yaml"

v1.16.0

Release published on the 2023-11-13 16:54:44 +0000 UTC at the url https://github.com/jenkins-infra/plugin-site-api/releases/tag/v1.16.0

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## ✍ Other changes

* feat: add arm64 image (#144) @lemeurherve

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[lemeurherve]

arm64 image available in this release.

Ref:

• Proposal for application in publick8s to migrate to arm64 helpdesk#3619