default action to cr v1.5.0 (helm#127)

Signed-off-by: cpanato <[email protected]>

Signed-off-by: cpanato <[email protected]>

update chart-releaser to v1.3.0 (helm#98)

actions: update chart-releaser to use version v1.2.1 (helm#81)

Signed-off-by: Carlos Panato <[email protected]>

chart-releaser: update to use release 1.2.0 (helm#75)

Signed-off-by: Carlos Panato <[email protected]>

Convert to composite action and use cache dir (helm#55)

Switch to composite action so we can get rid of Javascript and install
cr to the cache location.

Signed-off-by: Reinhard Nägele <[email protected]>

Don't try to package charts that no longer exist (helm#20)

Signed-off-by: Reinhard Naegele <[email protected]>