git: openjdk/jdk17u-dev: 8315062: [GHA] get-bootjdk action should return the abolute path

[Aleksey Shipilev]

Changeset: 1c5d92f9
Author:    Aleksey Shipilev <shade at openjdk.org>
Date:      2023-10-17 08:32:02 +0000
URL:       https://git.openjdk.org/jdk17u-dev/commit/1c5d92f99a160d2bd79bced08daba0fa50a5beca

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

Reviewed-by: xliu
Backport-of: 99ea8bf2b962011e57d02a93217d65d7259e8f80

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