Libqasm

Added
- Allow multiple qubit/bit (register) definitions and mid-circuit measurements.
- Python MacOS/arm64 jobs.
- `python/test_libqasm.py` to test Python jobs.

Changed
- Fix Python MacOS/arm64 packages.
- Fix `scripts/generate_antlr_parser.py`.
- MacOS/x64 jobs now run in macos-13, and MacOS/arm64 jobs in macos-14, both GitHub runners.
- Python module name from `libQasm` to `libqasm`.

Removed
- `python/module/libQasm` folder.

Added

Changed
- Updated emscripten compilation flags.
- Changed GitHub Actions `js-emscripten-wasm` job to work with `deno` instead of `node`.

Removed

Added

Changed
- Fixed CMake install.
- `generate_antlr_parser.py` writes output include files in a given `include` folder.

Removed

Added
- `cpp-linux-x64-release-shared` test job.

Changed
- Allow multiple `measure` instructions at the end of a program.

Removed

Added
- `.clang-format`.
- `emscripten-wasm` assets job.

Changed
- Fix shared library build.

Removed
- `TREEN_GEN_BUILD_TESTS` option.

Added

Changed
- Fix Python interface.
- Update GitHub Actions versions.

Removed
- `m4` dependency.