deps: Bump cAdvisor to v0.46.0

Signed-off-by: David Porter <david@porter.me>

vendor/github.com/google/cadvisor/devicemapper/util.go

@@ -11,6 +11,7 @@
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 // See the License for the specific language governing permissions and
 // limitations under the License.
+
 package devicemapper
 
 import (