component/numpy: Upgrade to 1.26.0 with build improvements

- Add ninja and openblas build dependencies
- Update Cython to 3.0.11
- Add packaging and pyproject_metadata requirements
- Configure pkgconfig paths for BLAS integration

component/numpy/buildout.cfg

 [buildout]
 extends =
   ../cython/buildout.cfg
+  ../ninja/buildout.cfg
   ../macros/macro.pythonpath.eggs.cfg
-parts = numpy
+  ../openblas/buildout.cfg
+  ../pkgconfig/buildout.cfg
+parts =
+  cython
+  ninja
+  numpy
+
+[cython]
+recipe = zc.recipe.egg
+eggs = cython
+scripts = cython cythonize
 
 [numpy-env]
 BLAS=None
 LAPACK=None
 ATLAS=None
+PATH=${ninja:location}/bin:${pkgconfig:location}/bin:${buildout:bin-directory}:${buildout:parts-directory}/setuptools:%(PATH)s
+PKG_CONFIG_PATH = ${openblas:location}/lib/pkgconfig
 
 [numpy]
 recipe = zc.recipe.egg:custom
@@ -18,10 +31,18 @@ depends = ${numpy-pythonpath:recipe}
 [numpy-pythonpath]
 <= macro.pythonpath.eggs
 environment = numpy-env
-eggs = ${cython:egg}
+eggs =
+  ${cython:egg}
+  setuptools
+  packaging
+  pyproject_metadata
 
 [versions]
-numpy = 1.24.4
+cython = 3.0.11
+numpy = 1.26.0
+packaging = 23.2
+pyproject_metadata = 0.9.0
+setuptools = 67.8.0
 
 [numpy:sys.version_info < (3,8)]
 depends =