[CI] Push docker images from nightly builds

[asfimport]

The nightly builds test more docker configurations than the github actions jobs, but those images are not pushed to the apache dockerhub account.

We should push the images from the nightly builds as well by setting up one of our own credentials.

Reporter: Krisztian Szucs / @kszucs
Assignee: Krisztian Szucs / @kszucs

Related issues:

• [CI] Push docker images from crossbow tasks (duplicates)

_{Note: This issue was originally created as ARROW-9435. Please see the migration documentation for further details.}

[asfimport]

Todd Farmer / @toddfarmer:
Transitioning issue from Resolved to Closed to based on resolution field value.