RFR: JDK-8319413: Start of release updates for JDK 23

[Chen Liang]

On Fri, 3 Nov 2023 23:42:03 GMT, Joe Darcy <darcy at openjdk.org> wrote:

> Time to start making preparations for JDK 23.

Changes requested by liach (Author).

src/java.base/share/classes/jdk/internal/classfile/Classfile.java line 1:

> 1: /*

`latestMajorVersion` below should be updated to return `JAVA_23_VERSION` as well.

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PR Review: https://git.openjdk.org/jdk/pull/16505#pullrequestreview-1713657511
PR Review Comment: https://git.openjdk.org/jdk/pull/16505#discussion_r1382292651