Add compatibility with MongoDB 6 (#5771)

MongoDB 6 removed `mongo` shell and `mongosh` is recommended.
See [here](https://www.mongodb.com/docs/manual/release-notes/6.0-compatibility/#legacy-mongo-shell-removed)

Closes #5768

modules/mongodb/src/main/java/org/testcontainers/containers/MongoDBContainer.java

@@ -5,6 +5,7 @@
 import lombok.SneakyThrows;
 import lombok.extern.slf4j.Slf4j;
 import org.testcontainers.containers.wait.strategy.Wait;
+import org.testcontainers.utility.ComparableVersion;
 import org.testcontainers.utility.DockerImageName;
 
 import java.io.IOException;
@@ -29,6 +30,8 @@ public class MongoDBContainer extends GenericContainer<MongoDBContainer> {
 
     private static final String MONGODB_DATABASE_NAME_DEFAULT = "test";
 
+    private final boolean isAtLeastVersion6;
+
     /**
      * @deprecated use {@link MongoDBContainer(DockerImageName)} instead
      */
@@ -45,6 +48,8 @@ public MongoDBContainer(final DockerImageName dockerImageName) {
         super(dockerImageName);
         dockerImageName.assertCompatibleWith(DEFAULT_IMAGE_NAME);
 
+        this.isAtLeastVersion6 = new ComparableVersion(dockerImageName.getVersionPart()).isGreaterThanOrEqualTo("6.0");
+
         withExposedPorts(MONGODB_INTERNAL_PORT);
         withCommand("--replSet", "docker-rs");
         waitingFor(Wait.forLogMessage("(?i).*waiting for connections.*", 1));
@@ -87,7 +92,8 @@ protected void containerIsStarted(InspectContainerResponse containerInfo) {
     }
 
     private String[] buildMongoEvalCommand(final String command) {
-        return new String[] { "mongo", "--eval", command };
+        String cmd = this.isAtLeastVersion6 ? "mongosh" : "mongo";
+        return new String[] { cmd, "--eval", command };
     }
 
     private void checkMongoNodeExitCode(final Container.ExecResult execResult) {

modules/mongodb/src/test/java/org/testcontainers/containers/MongoDBContainerTest.java

@@ -98,4 +98,11 @@ public void shouldTestDatabaseName() {
             assertThat(mongoDBContainer.getReplicaSetUrl(databaseName)).endsWith(databaseName);
         }
     }
+
+    @Test
+    public void supportsMongoDB_6() {
+        try (final MongoDBContainer mongoDBContainer = new MongoDBContainer("mongo:6.0.1")) {
+            mongoDBContainer.start();
+        }
+    }
 }