Vendor in latest c/common

Pull in updates made to the filters code for
images. Filters now perform an AND operation
except for th reference filter which does an
OR operation for positive case but an AND operation
for negative cases.

Signed-off-by: Urvashi Mohnani <umohnani@redhat.com>

vendor/github.com/go-openapi/swag/yaml.go

@@ -147,7 +147,7 @@ func yamlScalar(node *yaml.Node) (interface{}, error) {
 	case yamlTimestamp:
 		return node.Value, nil
 	case yamlNull:
-		return nil, nil
+		return nil, nil //nolint:nilnil
 	default:
 		return nil, fmt.Errorf("YAML tag %q is not supported", node.LongTag())
 	}
@@ -319,7 +319,8 @@ func json2yaml(item interface{}) (*yaml.Node, error) {
 			Value: strconv.FormatBool(val),
 		}, nil
 	}
-	return nil, nil
+
+	return nil, nil //nolint:nilnil
 }
 
 // JSONMapItem represents the value of a key in a JSON object held by JSONMapSlice