FFM build requires Java 25, Jextract 25.
Generates FFM bindings during configure.
JNI is default when the requirements are not met or can be forced.
Presets added for maven and FFM - JNI is default selection.
Enhanced Maven options will work with either JNI or FFM
New Workflows for testing and maven uploads.
Extensive documentation changes for java.
* Rework java vl check in read/write. Handle old refs in h5dump
* Committing clang-format changes
* Java changes allow default VL reads
* Fix JNI utility for old refs
* HDFFV-11310 - implement vlen read/write for atomic types.
* format check fix
* Mostly format fixes
* More format issues
* Two format changes
* Use JNI names for sizeof
* format change
* fix size typo
* Change to older method to initialize list
* remove unused var
* format fix
* switch writeVL functions to use datatype instead of java type
* Add VL option to generic read/write check
* Correct function name typo
* Add JIRA issue
* Correct note to match change in code.
* HDFFV-11318 add VL references as byte arrays
* Add release note and format changes
* Another format update
* Fix unreleased allocations
* Fix format
* format correction
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