OpenSlide Java 0.12.4 released

[Benjamin Gilbert]

Hi all,

OpenSlide Java 0.12.4 has been released, including minor build and
test improvements.  For the full changelog, see below.

Get it here:

    https://openslide.org/download/

Thanks,
--Benjamin Gilbert

===

* Allow opening the synthetic test slide
* Add Meson build option to configure embedding of JNI path in JAR
* Fix `meson dist` failure when packaged as subproject