component/scipy: Version up 1.12.0

Version up scipy=1.12.0 because scipy 1.8.1 is not compatible with
Python 3.11.

component/scipy/buildout.cfg

 [buildout]
 # Scipy requires BLAS/LAPACK libraries.
 extends =
+  ../meson/buildout.cfg
+  ../ninja/buildout.cfg
   ../numpy/openblas.cfg
   ../pandas/buildout.cfg
+  ../pkgconfig/buildout.cfg
 parts = scipy
 
 [scipy-env]
 <= numpy-env
+PATH=${meson:location}/bin:${ninja:location}/bin:${pkgconfig:location}/bin:${buildout:bin-directory}:%(PATH)s
+PKG_CONFIG_PATH = ${openblas:location}/lib/pkgconfig
 
 [scipy]
 recipe = zc.recipe.egg:custom
@@ -14,30 +19,51 @@ egg = scipy
 environment = scipy-env
 setup-eggs = ${numpy:egg}
 rpath = ${numpy:rpath}
-depends = ${scipy-pythonpath:recipe}
+depends =
+  ${scipy-pythonpath:recipe}
+  ${scipy-pkgconfig:recipe}
 
 [scipy-pythonpath]
 <= macro.pythonpath.eggs
 environment = scipy-env
 eggs = ${scipy-setup-eggs:eggs}
 
+[scipy-pkgconfig]
+<= macro.variable.eggs
+variable = PKG_CONFIG_PATH
+environment = scipy-env
+eggs = pybind11
+subpaths =
+  pybind11 pybind11/share/pkgconfig/
+depends = ${scipy-setup-eggs:recipe}
+
 [scipy-setup-eggs]
 recipe = zc.recipe.egg
 scripts =
+  cython
+  pythran
 eggs =
   ${cython:egg}
   ${numpy:egg}
   ${pandas:egg}
+  meson-python
   pythran
   pybind11
 
 [versions]
-pybind11 = 2.9.2
-scipy = 1.8.1
+pybind11 = 2.11.1
+scipy = 1.12.0
+meson-python = 0.13.2:whl
+pyproject-metadata = 0.8.0:whl
+meson = 1.4.1
 beniget = 0.4.1
 gast = 0.5.3
 pythran = 0.11.0:whl
 
+[versions:sys.version_info < (3,11)]
+tomli = 2.0.1:whl
+
+
 [scipy:sys.version_info < (3,8)]
 depends =