docs: Bump HPU ref `1.5.0` (#19843)
* bumping HPU version -> (1.5.0)
* fix build warning
* the HPU also need some images
* Apply suggestions from code review
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Co-authored-by: jerome-habana <jerome-habana@users.noreply.github.com>
Co-authored-by: Jirka Borovec <6035284+Borda@users.noreply.github.com>
Co-authored-by: awaelchli <aedu.waelchli@gmail.com>
Co-authored-by: Jirka <jirka.borovec@seznam.cz>
