Log Message:
libebml: updated to 1.4.3

Version 1.4.3 2022-09-30

* A C++14 compliant C++ compiler is now required.
* Fix compilation with g++ 11.
* Remove Coremake project files
* Updated the bundled utf8cpp to v3.2.1.
* Fixed several problems in `EbmlBinary:` potential segfault by
  writing to a `nullptr`, potential memory leak under certain error
  conditions.
* Fixed problems with the generated `pkg-config` files if any of the
  installation paths are absolute.