RFR: 8317970: Bump target macosx-x64 version to 11.00.00

[Erik Joelsson]

On Wed, 11 Oct 2023 17:49:14 GMT, Mikael Vidstedt <mikael at openjdk.org> wrote:

> macOS 10.x is no longer receiving updates - the most recent/last release was 10.15.7 back in July of 2022. It's time to bump the target macOS version (min/max) for macosx-x64. macOS 11.x is still receiving updates.
> 
> This change updates the target version for macosx-x64 to 11.00.00, which is the same version used for macosx-aarch64.

I would like to get @prrace to look at this as well, just to make sure the metal stuff is correct.

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Marked as reviewed by erikj (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/16155#pullrequestreview-1672511677