Withdrawn: 8282944: GHA: Add Alpine Linux x86_64 pre-integration check

[duke]

On Thu, 10 Mar 2022 09:57:17 GMT, George Adams <duke at openjdk.java.net> wrote:

> Adds Alpine build CI job to the GitHub actions submit.yml. I can add tests too if people think that would be useful but for now I've left it as just build.

This pull request has been closed without being integrated.

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PR: https://git.openjdk.java.net/jdk/pull/7771