RFR: 8334166: Enable binary check

[Phil Race]

On Wed, 12 Jun 2024 22:38:37 GMT, Zhao Song <zsong at openjdk.org> wrote:

> @kevinrushforth said in [SKARA-2289](https://bugs.openjdk.org/browse/SKARA-2289), 'In general, our repositories contain source code and not binary files. There are exceptions to this for images and other similar resources, but otherwise the policy for most repos is to avoid binary files'. Skara is able to identify binary files when executing jcheck, but this check is not enabled.

If skara really is unable to distinguish a png from an exe, then I agree the warning needs to be toned way down to an "FYI", not even a warning.
And something less scary than the yellow triangle with a "!" as the graphic too.

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PR Comment: https://git.openjdk.org/jdk/pull/19683#issuecomment-2166438407