Support Testcontainer Redis with custom image names

Update `RedisContainerConnectionDetailsFactory` so that it can also
support `RedisContainer` with a custom name.

Closes gh-41450

spring-boot-project/spring-boot-testcontainers/src/test/java/org/springframework/boot/testcontainers/service/connection/TestContainerConnectionSource.java

@@ -0,0 +1,43 @@
+/*
+ * Copyright 2012-2024 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * 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 org.springframework.boot.testcontainers.service.connection;
+
+import java.util.function.Supplier;
+
+import org.testcontainers.containers.Container;
+
+import org.springframework.boot.origin.Origin;
+import org.springframework.core.annotation.MergedAnnotation;
+
+/**
+ * Factory for tests to create a {@link ContainerConnectionSource}.
+ *
+ * @author Phillip Webb
+ */
+public final class TestContainerConnectionSource {
+
+	private TestContainerConnectionSource() {
+	}
+
+	public static <C extends Container<?>> ContainerConnectionSource<C> create(String beanNameSuffix, Origin origin,
+			Class<C> containerType, String containerImageName, MergedAnnotation<ServiceConnection> annotation,
+			Supplier<C> containerSupplier) {
+		return new ContainerConnectionSource<>(beanNameSuffix, origin, containerType, containerImageName, annotation,
+				containerSupplier);
+	}
+
+}