RFR: 8355746: Start of release updates for JDK 26

[Joe Darcy]

On Fri, 2 May 2025 16:55:49 GMT, Chen Liang <liach at openjdk.org> wrote:

> May I prepare a quick patch to bring this in line with `TraverseProc` so we can skip this site for future start of release updates?

I know it is possible to write getSupportedSourceVersion to return the latest version, but I don't think it is appropriate for this annotation processor to use that idiom since it might actually need to be meaningfully updated with code changes to support the new source level. Explicitly needing to change this annotation is a backstop reminder to do that.

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PR Review Comment: https://git.openjdk.org/jdk/pull/25008#discussion_r2071949205