RFR: 8356819: [macos] MacSign should use "openssl" and "faketime" from Homebrew by default

[Alexey Semenyuk]

On Tue, 13 May 2025 00:30:08 GMT, Alexander Matveev <almatvee at openjdk.org> wrote:

> `openssl` from macOS will ignore `faketime` and as result expired certificates will not be generated correctly. By default we should use these tools from Homebrew.

Marked as reviewed by asemenyuk (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/25196#pullrequestreview-2835070598