Integrated: 2051: Use real target ref to determine whether this pr needs maintainer approval in CheckWorkItem

[Zhao Song]

On Mon, 2 Oct 2023 17:46:24 GMT, Zhao Song <zsong at openjdk.org> wrote:

> After deployed [SKARA-2045](https://bugs.openjdk.org/browse/SKARA-2045) to production, I found that some dependent pull requests are still not updated. Then I realized that in CheckWorkItem, we also need to use real target ref to determine whether this pr needs maintainer approval.

This pull request has now been integrated.

Changeset: a85bb60c
Author:    Zhao Song <zsong at openjdk.org>
URL:       https://git.openjdk.org/skara/commit/a85bb60c288e17e16ccbc5534e30dfc227f1cac0
Stats:     1 line in 1 file changed: 0 ins; 0 del; 1 mod

2051: Use real target ref to determine whether this pr needs maintainer approval in CheckWorkItem

Reviewed-by: erikj

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PR: https://git.openjdk.org/skara/pull/1566