RFR: 8330205: Initial troff manpage generation for JDK 24 [v3]

[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 This initial generation also picks up the unpublished changes from: 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 incrementally with one additional commit since the last revision:

  Regenerated after merge

-------------

Changes:
  - all: https://git.openjdk.org/jdk/pull/19617/files
  - new: https://git.openjdk.org/jdk/pull/19617/files/8472c47d..e7563087

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=19617&range=02
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=19617&range=01-02

  Stats: 10 lines in 1 file changed: 0 ins; 10 del; 0 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