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
- 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`.

Fixed
- Python MacOS/ARM64 packages.
- `scripts/generate_antlr_parser.py`.

Removed
- `python/module/libQasm` folder.

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

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

Fixed
- CMake install.

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

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

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

Fixed
- Shared library build.

Removed
- `TREEN_GEN_BUILD_TESTS` option.

Changed
- Update GitHub Actions versions.

Fixed
- Python interface.

Removed
- `m4` dependency.