CI: move the py311-dev job over to Meson

This job tests the dev versions of:
- Python
- NumPy
- Pythran
- Meson

Closes scipygh-16726

[skip azp]

.github/workflows/linux.yml

@@ -82,18 +82,19 @@ jobs:
 
     - name: Install packages
       run: |
-        pip install --user git+https://github.com/numpy/numpy.git
-        python -m pip install --user "setuptools<60.0" wheel cython pytest pybind11 pytest-xdist pytest-timeout
-        pip install --user git+https://github.com/serge-sans-paille/pythran.git
+        python -m pip install git+https://github.com/numpy/numpy.git
+        python -m pip install wheel cython pytest pybind11 pytest-xdist pytest-timeout
+        python -m pip install git+https://github.com/serge-sans-paille/pythran.git
+        python -m pip install git+https://github.com/mesonbuild/meson.git
         python -m pip install -r mypy_requirements.txt
 
         # Packages that are only needed for their annotations
-        python -m pip install --user types-psutil pybind11 sphinx
+        python -m pip install types-psutil pybind11 sphinx
 
     - name: Mypy
       run: |
-        python -u runtests.py --mypy
+        python -u dev.py mypy
 
     - name: Test SciPy
       run: |
-        python -u runtests.py -n -m fast -- --durations=10 --timeout=60
+        python -u dev.py -n test -- --durations=10 --timeout=60