Bump rating docker image version to 0.1.15

[jenkins-infra-updatecli]

Bump `rating` docker image and helm chart versions

Update rating helm chart

change detected: * key "$.image.tag" updated from "0.1.14" to "0.1.15", in file "charts/rating/values.yaml" change detected: * key "$.version" updated from "0.5.5" to "0.5.6", in file "charts/rating/Chart.yaml"

0.1.15

<!-- Optional: add a release summary here -->
## 📦 Dependency updates

* chore(deps): bump release-drafter/release-drafter from 6.4.0 to 7.1.0 (#52) @[dependabot[bot]](https://github.com/apps/dependabot)

0.1.14

<!-- Optional: add a release summary here -->
## 📦 Dependency updates

* Bump release-drafter/release-drafter from cfec7ceca6d7a07d55bd6ac74823bc5265cc870f to 6a93d829887aa2e0748befe2e808c66c0ec6e4c7 (#50) @[dependabot[bot]](https://github.com/apps/dependabot)

Jenkins pipeline link

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