testing: update docker-py to 7.0.0
@@ -4,7 +4,7 @@ set -e
source hack/make/.integration-test-helpers
# The commit or tag to use for testing
-: "${DOCKER_PY_COMMIT:=7.0.0b1}"
+: "${DOCKER_PY_COMMIT:=7.0.0}"
# custom options to pass py.test
#