Fix compile errors

See gh-28844

spring-boot-project/spring-boot-tools/spring-boot-buildpack-platform/src/main/java/org/springframework/boot/buildpack/platform/docker/configuration/DockerConfiguration.java

@@ -104,7 +104,7 @@ public final class DockerConfiguration {
 
 	public DockerConfiguration withEmptyPublishRegistryAuthentication() {
 		return new DockerConfiguration(this.host, this.builderAuthentication,
-				new DockerRegistryUserAuthentication("", "", "", ""));
+				new DockerRegistryUserAuthentication("", "", "", ""), this.bindHostToBuilder);
 	}
 
 }

spring-boot-project/spring-boot-tools/spring-boot-gradle-plugin/src/test/java/org/springframework/boot/gradle/tasks/bundling/DockerSpecTests.java

@@ -74,7 +74,9 @@ class DockerSpecTests {
 		assertThat(host.getCertificatePath()).isNull();
 		assertThat(dockerConfiguration.isBindHostToBuilder()).isFalse();
 		assertThat(dockerSpec.asDockerConfiguration().getBuilderRegistryAuthentication()).isNull();
-		assertThat(dockerSpec.asDockerConfiguration().getPublishRegistryAuthentication()).isNull();
+		assertThat(decoded(dockerConfiguration.getPublishRegistryAuthentication().getAuthHeader()))
+				.contains("\"username\" : \"\"").contains("\"password\" : \"\"").contains("\"email\" : \"\"")
+				.contains("\"serveraddress\" : \"\"");
 	}
 
 	@Test

spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/test/java/org/springframework/boot/maven/DockerTests.java

@@ -57,7 +57,9 @@ class DockerTests {
 		assertThat(host.getCertificatePath()).isEqualTo("/tmp/ca-cert");
 		assertThat(dockerConfiguration.isBindHostToBuilder()).isFalse();
 		assertThat(docker.asDockerConfiguration().getBuilderRegistryAuthentication()).isNull();
-		assertThat(docker.asDockerConfiguration().getPublishRegistryAuthentication()).isNull();
+		assertThat(decoded(dockerConfiguration.getPublishRegistryAuthentication().getAuthHeader()))
+				.contains("\"username\" : \"\"").contains("\"password\" : \"\"").contains("\"email\" : \"\"")
+				.contains("\"serveraddress\" : \"\"");
 	}
 
 	@Test