Integrated: 1943: Update .github/workflows/ci.yml to fix GHA

[Zhao Song]

On Mon, 12 Jun 2023 20:43:21 GMT, Zhao Song <zsong at openjdk.org> wrote:

> Since last month, the GitHub Action for running tests on macOS has been failing consistently, and the test job always failed due to time out. It seems like that GitHub no longer supports tests on macOS-10.15, so we need to update the configuration.

This pull request has now been integrated.

Changeset: b6a82541
Author:    Zhao Song <zsong at openjdk.org>
URL:       https://git.openjdk.org/skara/commit/b6a82541e16d06e1efbbf3a51b9b695620e2e11d
Stats:     1 line in 1 file changed: 0 ins; 0 del; 1 mod

1943: Update .github/workflows/ci.yml to fix GHA

Reviewed-by: kcr, erikj

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PR: https://git.openjdk.org/skara/pull/1530