Bring back dependency building for chart review app

What does this MR do and why?

Describe in detail what your merge request does and why.

Bumps the chart SHA used by review-deploy to be newer than gitlab-org/charts/gitlab!2607 (merged) which added support for pulling older bitnami charts as dependencies and dropped the bundled charts approach. I went with a newer commit than that, I went with the commit from master that is currently fully rolled out to gitlab.com as of Jul 6th.

This also brings back the dependency build command (earlier removed in !88977 (merged)), as we dropped the checked in dependencies when using the git checkout of the helm chart (as to not be committing compressed binaries into git).

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