The recent history rewrite (squash of 4 thrash CI commits) made the
chart's previous appVersion (0.0.16-beta-8df0def) reference a now-
dangling commit. The dev pipeline failed clone "remote ref not
found" until we re-bumped to a SHA in the new history.
Re-cut beta with the new HEAD parent (ae75855) so notify-chart-dev
rewrites the chart's appVersion to a SHA the BMCD dev pipeline can
actually fetch. Combined with the Dockerfile clone-via-fetch fix in
tnd-zddc-chart 86c5758 (handles bare SHAs), the dev pipeline should
build cleanly.