Bump wiki docker image version to 0.1.8

[jenkins-infra-updatecli]

Bump `wiki` docker image and helm chart versions

Update wiki helm chart

key "$.image.tag" updated from "0.1.7" to "0.1.8", in file "charts/wiki/values.yaml" key "$.version" updated from "0.3.99" to "0.3.100", in file "charts/wiki/Chart.yaml"

0.1.8

Release published on the 2023-09-15 03:58:28 +0000 UTC at the url https://github.com/jenkins-infra/docker-confluence-data/releases/tag/0.1.8

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* No changes

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[lemeurherve]

Waiting for #707 before publishing a new version.

[dduportal]

Closing as #707 is merged, and there are conflicts: we'll let updatecli do its job