version bump

Author: ChrisRackauckas

setup.py

@@ -5,7 +5,7 @@ def readme():
         return f.read()
 
 setup(name='diffeqpy',
-      version='2.1.0',
+      version='2.2.0',
       description='Solving Differential Equations in Python',
       long_description=readme(),
       long_description_content_type="text/markdown",
@@ -19,7 +19,7 @@ def readme():
         'Topic :: Scientific/Engineering :: Physics'
       ],
       url='http://github.com/SciML/diffeqpy',
-      keywords='differential equations stochastic ordinary delay differential-algebraic dae ode sde dde',
+      keywords='differential equations stochastic ordinary delay differential-algebraic dae ode sde dde oneapi AMD ROCm CUDA Metal GPU',
       author='Chris Rackauckas and Takafumi Arakaki',
       author_email='[email protected]',
       license='MIT',