Pin codecov dependency to avoid cert issues.
Pin codecov dependency to avoid cert issues.

andrewsomething/libcloud,apache/libcloud,apache/libcloud,Kami/libcloud,mistio/libcloud,mistio/libcloud,Kami/libcloud,andrewsomething/libcloud,Kami/libcloud,mistio/libcloud,apache/libcloud,andrewsomething/libcloud