RFR: 8357458: Missing Highlight.js license file [v2]

[Jan Lahoda]

On Wed, 21 May 2025 20:05:08 GMT, Hannes Wallnöfer <hannesw at openjdk.org> wrote:

>> Please review a change to add the missing license file for [Highlight.js](https://github.com/highlightjs/highlight.js) required for the `--syntax-highlight` option. This also updates the tests for legal files and library versions to handle the file correctly.
>
> Hannes Wallnöfer has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Capitalize license heading

Looks good to me.

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Marked as reviewed by jlahoda (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/25352#pullrequestreview-2877575595