RFR: 8355746: Start of release updates for JDK 26 [v4]

[Christian Stein]

On Wed, 28 May 2025 11:14:22 GMT, Nizar Benalla <nbenalla at openjdk.org> wrote:

>> I'll split the releases over  two lines in the next update. The line is a little too long.
>
> Thinking about this again, could we represent the supported versions more concisely? like `8-26` or `from 8 to 26`.

Another variant:

        Supported releases:
            8, 9, 10, ..., 24, 25, 26

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PR Review Comment: https://git.openjdk.org/jdk/pull/25008#discussion_r2111627278