Bump github.com/containers/image/v5 from 5.4.3 to 5.4.4

Bumps [github.com/containers/image/v5](https://github.com/containers/image) from 5.4.3 to 5.4.4.
- [Release notes](https://github.com/containers/image/releases)
- [Commits](https://github.com/containers/image/compare/v5.4.3...v5.4.4)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>

vendor/github.com/containers/image/v5/docker/docker_client.go

@@ -613,6 +613,9 @@ func (c *dockerClient) getBearerTokenOAuth2(ctx context.Context, challenge chall
 	params.Add("client_id", "containers/image")
 
 	authReq.Body = ioutil.NopCloser(bytes.NewBufferString(params.Encode()))
+	if c.sys != nil && c.sys.DockerRegistryUserAgent != "" {
+		authReq.Header.Add("User-Agent", c.sys.DockerRegistryUserAgent)
+	}
 	authReq.Header.Add("Content-Type", "application/x-www-form-urlencoded")
 	logrus.Debugf("%s %s", authReq.Method, authReq.URL.String())
 	res, err := c.client.Do(authReq)
@@ -665,6 +668,9 @@ func (c *dockerClient) getBearerToken(ctx context.Context, challenge challenge,
 	if c.auth.Username != "" && c.auth.Password != "" {
 		authReq.SetBasicAuth(c.auth.Username, c.auth.Password)
 	}
+	if c.sys != nil && c.sys.DockerRegistryUserAgent != "" {
+		authReq.Header.Add("User-Agent", c.sys.DockerRegistryUserAgent)
+	}
 
 	logrus.Debugf("%s %s", authReq.Method, authReq.URL.String())
 	res, err := c.client.Do(authReq)