Add latest version of py-readme-renderer (#13444)

var/spack/repos/builtin/packages/py-readme-renderer/package.py

@@ -11,13 +11,15 @@ class PyReadmeRenderer(PythonPackage):
     for Warehouse."""
 
     homepage = "https://github.com/pypa/readme_renderer"
-    url      = "https://pypi.io/packages/source/r/readme_renderer/readme_renderer-16.0.tar.gz"
+    url      = "https://pypi.io/packages/source/r/readme_renderer/readme_renderer-24.0.tar.gz"
 
+    version('24.0', sha256='bb16f55b259f27f75f640acf5e00cf897845a8b3e4731b5c1a436e4b8529202f')
     version('16.0', sha256='c46b3418ddef3c3c3f819a4a9cfd56ede15c03d12197962a7e7a89edf1823dd5')
 
-    depends_on('python@2.6:2.8,3.2:3.3')
     depends_on('py-setuptools', type='build')
-    depends_on('py-bleach', type=('build', 'run'))
+    depends_on('py-bleach@2.1.0:', type=('build', 'run'))
     depends_on('py-docutils@0.13.1:', type=('build', 'run'))
     depends_on('py-pygments', type=('build', 'run'))
     depends_on('py-six', type=('build', 'run'))
+    depends_on('py-pytest', type='test')
+    depends_on('py-mock', type='test')