PIPELINE: Add meson dependencies

.gitlab-ci.yml

@@ -170,6 +170,7 @@ unittest_py313:
   script:
     # TODO: Replace by '*python_test_script' as soon as 3.13 has been officially released.
     - apt update && apt install -y cargo
+    - pip install meson[ninja] meson-python
     - pip install pynose pandas pytest pytest-cov gitignore-parser openpyxl>=3.0.7 xlrd==1.2 h5py
     - pip install git+https://gitlab.indiscale.com/caosdb/src/caosdb-pylib.git@dev
     - pip install .