RFR: 8349732: Add support for JARs signed with ML-DSA [v12]

[Weijun Wang]

> Add support for ML-DSA signing of JAR files.
> 
> ~Note: https://datatracker.ietf.org/doc/draft-ietf-lamps-cms-ml-dsa/ is not finalized.~
> 
> Update: it is published as https://datatracker.ietf.org/doc/rfc9882/.

Weijun Wang has updated the pull request incrementally with two additional commits since the last revision:

 - rename DataFecther to RepositoryFileReader
 - more comments for DataFetcher

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/26563/files
  - new: https://git.openjdk.org/jdk/pull/26563/files/4a20af7b..0902384e

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=26563&range=11
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=26563&range=10-11

  Stats: 309 lines in 3 files changed: 151 ins; 144 del; 14 mod
  Patch: https://git.openjdk.org/jdk/pull/26563.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/26563/head:pull/26563

PR: https://git.openjdk.org/jdk/pull/26563