py-h5py: update build dependencies

- h5py is now compatible with cython 3.x
- h5py does not depend on pythran (did it ever? not in history on GitHub)
- pkgconfig is not a runtime dependency
- h5py does not depend on six any more
- build for Python 3.13

python/py-h5py/Portfile

@@ -42,13 +42,10 @@ python.versions         39 310 311 312 313
 github.livecheck.regex      {([0-9.]+)}
 
 if {${name} ne ${subport}} {
-    depends_build-append    port:py${python.version}-pythran \
-                            port:py${python.version}-cython
+    depends_build-append    port:py${python.version}-cython \
+                            port:py${python.version}-pkgconfig
 
-    depends_lib-append      port:py${python.version}-cached-property \
-                            port:py${python.version}-numpy \
-                            port:py${python.version}-six \
-                            port:py${python.version}-pkgconfig \
+    depends_lib-append      port:py${python.version}-numpy \
                             port:hdf5
 
     build.env-append        HDF5_DIR=${prefix}