git: openjdk/jdk11u-dev: 8315062: [GHA] get-bootjdk action should return the abolute path

[Aleksey Shipilev]

Changeset: 92a47bc7
Author:    Aleksey Shipilev <shade at openjdk.org>
Date:      2023-10-17 08:32:20 +0000
URL:       https://git.openjdk.org/jdk11u-dev/commit/92a47bc70293f85f7020b0dccf18ab29a956d384

8315062: [GHA] get-bootjdk action should return the abolute path

Backport-of: 99ea8bf2b962011e57d02a93217d65d7259e8f80

! .github/actions/get-bootjdk/action.yml