RFR: 8330205: Initial troff manpage generation for JDK 24 [v2]

[David Holmes]

> Sets the version to 24/24-ea and the copyright year to 2025.
> 
> Content changes related to the start of release (e.g. for removed options in java.1) are handled separately.
> 
> This initial generation also picks up the unpublished changes from: 
> 
> - JDK-8330807: Update Manpage for obsoletion of ScavengeBeforeFullGC
> - JDK-8284500: Typo in Supported Named Extensions - BasicContraints
> - JDK-8324342: Doclet should default `@since` for a nested class to that of its enclosing class
> 
> Thanks

David Holmes has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains two commits:

 - Merge
 - 8330205: Initial troff manpage generation for JDK 24

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Changes: https://git.openjdk.org/jdk/pull/19617/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=19617&range=01
  Stats: 53 lines in 28 files changed: 12 ins; 3 del; 38 mod
  Patch: https://git.openjdk.org/jdk/pull/19617.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/19617/head:pull/19617

PR: https://git.openjdk.org/jdk/pull/19617