Update Ironbank

CHANGELOG.md

README.md

chart/CHANGELOG.md

chart/Chart.yaml

chart/Kptfile

chart/charts/gitlab/charts/geo-logcursor/Chart.yaml

chart/charts/gitlab/charts/gitaly/Chart.yaml

chart/charts/gitlab/charts/gitlab-exporter/Chart.yaml

chart/charts/gitlab/charts/gitlab-pages/Chart.yaml

chart/charts/gitlab/charts/gitlab-shell/Chart.yaml

chart/charts/gitlab/charts/kas/Chart.yaml

chart/charts/gitlab/charts/mailroom/Chart.yaml

chart/charts/gitlab/charts/migrations/Chart.yaml

chart/charts/gitlab/charts/praefect/Chart.yaml

chart/charts/gitlab/charts/sidekiq/Chart.yaml

chart/charts/gitlab/charts/spamcheck/Chart.yaml

chart/charts/gitlab/charts/toolbox/Chart.yaml

chart/charts/gitlab/charts/webservice/Chart.yaml

chart/doc/installation/version_mappings.md

chart/values.yaml