refactor renovate config and tie appVersion to image tag

General MR

Summary

• Use the bump-chart-bb-suffix script rather than sync-wrapper-chart-from-dependency.
• Set the chart version from the upstream chart.
• Set the app version from the app image's tag.

Relevant logs/screenshots

update-everything

library-subcharts-only

app-image (community-build)

other-image (jmx-exporter)

other-image (base)

other-image (ubi9)

chart-only

chart-and-image

Linked Issue

Closes: #230 (closed)

Upgrade Notices

N/A