updated py-bake versions and dependencies

packages/py-bake/package.py

@@ -37,12 +37,14 @@ class PyBake(PythonPackage):
     git      = "https://xgitlab.cels.anl.gov/sds/py-bake.git"
 
     version('develop',  branch="master")
+    version('0.2', tag='v0.2')
     version('0.1', tag='v0.1')
 
     variant('numpy',default=False, description="Enables Numpy support")
 
     depends_on('py-pybind11', type=('build'))
     depends_on('py-pkgconfig', type=('build'))
-    depends_on('bake@0.1:')
+    depends_on('bake@0.1', when='@0.1')
+    depends_on('bake@0.2:', when='@0.2:')
     depends_on('py-margo@0.1:')
     depends_on('py-numpy', when='+numpy')