add latest NESTML release 7.0.0 to spack package

packages/py-nestml/package.py

@@ -13,11 +13,12 @@ class PyNestml(PythonPackage):
     """
 
     homepage = 'https://nestml.readthedocs.org/'
-    url      = 'https://pypi.org/packages/py3/N/NESTML/NESTML-5.2.0-py3-none-any.whl'
+    url      = 'https://pypi.org/packages/py3/N/NESTML/NESTML-7.0.0-py3-none-any.whl'
     git      = 'https://github.com/nest/nestml/'
 
     maintainers = ['clinssen', 'pnbabu', 'jougs']
 
+    version('7.0.0', sha256='4e271048b4a9ad2c161dda98d3ee25e143537649a264d521deb0ff5543020d73', expand=False)
     version('6.0.0', sha256='224993f175b9599a3662e65afdaf57e355246c0eab5f88b795fdb089ea28b39e', expand=False)
     version('5.3.0', sha256='8de543d7d3a166cd4d6a0d536a2d4e769513bbf8d7aeaf64458e9d9c21fe546e', expand=False)
     version('5.2.0', sha256='acb703bf9c7f70304bd5d547dccd6a6a219f8acb298a6412df779b808241eb14', expand=False)