Vendor in containers/(storage,image, common, buildah)

Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>

vendor/github.com/containers/common/pkg/config/config.go

@@ -532,6 +532,11 @@ type NetworkConfig struct {
 
 	// NetworkConfigDir is where network configuration files are stored.
 	NetworkConfigDir string `toml:"network_config_dir,omitempty"`
+
+	// DNSBindPort is the port that should be used by dns forwarding daemon
+	// for netavark rootful bridges with dns enabled. This can be necessary
+	// when other dns forwarders run on the machine. 53 is used if unset.
+	DNSBindPort uint16 `toml:"dns_bind_port,omitempty,omitzero"`
 }
 
 type SubnetPool struct {
@@ -694,7 +699,7 @@ func addConfigs(dirPath string, configs []string) ([]string, error) {
 			}
 		},
 	)
-	if os.IsNotExist(err) {
+	if errors.Is(err, os.ErrNotExist) {
 		err = nil
 	}
 	sort.Strings(newConfigs)
@@ -1152,7 +1157,7 @@ func ReadCustomConfig() (*Config, error) {
 			return nil, err
 		}
 	} else {
-		if !os.IsNotExist(err) {
+		if !errors.Is(err, os.ErrNotExist) {
 			return nil, err
 		}
 	}