git: openjdk/jdk21u: master: 8314656: GHA: No need for Debian ports keyring installation after JDK-8313701

[Aleksey Shipilev]

Changeset: 5cd6929a
Author:    Aleksey Shipilev <shade at openjdk.org>
Date:      2023-08-31 08:01:35 +0000
URL:       https://git.openjdk.org/jdk21u/commit/5cd6929a2c8c232a569a12869737a30aaed9b54a

8314656: GHA: No need for Debian ports keyring installation after JDK-8313701

Backport-of: 76b9011c9ecb8c0c713a58d034f281ba70d65d4e

! .github/workflows/build-cross-compile.yml