Likely after the upgrade to controller-runtime v0.15.0 a regression
surfaced for long-running reconciliations of HelmRelease resources (e.g.
for charts having pre-upgrade hooks taking a few minutes to complete).
This regression would cause the controller to immediately re-run the
upgrade after a successful upgrade, thus entering an almost-endless
loop.
Apparently, the only fix to this issue is to ensure
`.Status.LastReleaseRevision` is updated as soon as possible in the
reconiliation cycle rather than wait for the update at the end of the
cycle.
Signed-off-by: Aurel Canciu <aurelcanciu@gmail.com>