RFR: 8347063: Add comments in ClassFileFormatVersion for class file format evolution history [v3]

[Iris Clark]

On Wed, 8 Jan 2025 05:51:12 GMT, Chen Liang <liach at openjdk.org> wrote:

>> `javax.lang.model.SourceVersion` has a series of comments describing the new language features present in each source version. Similar comments for the `ClassFileFormatVersion` would be helpful, so readers no longer need to search through the JVMS to find changes in new versions.
>
> Chen Liang has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Use since-style versions

Versions matching `java.specification.version` look good.

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Marked as reviewed by iris (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/22934#pullrequestreview-2537849309