RFR: JDK-8326836 Incorrect @since Tags for ClassSignature methods

[Nizar Benalla]

On Tue, 27 Feb 2024 15:10:37 GMT, Nizar Benalla <duke at openjdk.org> wrote:

> # Issue
> - [JDK-8326836](https://bugs.openjdk.org/browse/JDK-8326836): changes were made to the method signatures but this modification isn't reflected in the @ since tags. The @ since tags need to be updated.
> 
> I changed the @\since tags to better accurately show when the methods were introduced.

I didn't realize that `java.lang.classfile.ClassFile.JAVA_23_VERSION` didn't match the `@since` of the enclosing interface. Fixed it

`/covered`

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PR Comment: https://git.openjdk.org/jdk/pull/18030#issuecomment-1969568086
PR Comment: https://git.openjdk.org/jdk/pull/18030#issuecomment-1988768314