Fix integration test failures on Apple Silicon by skipping OpenSSH 7.…

…4 tests.

The docker image used for OpenSSH 7.4 is only available for x86_64.

src/test/java/com/jcraft/jsch/OpenSSH74ServerSigAlgsIT.java

@@ -21,6 +21,7 @@
 import org.junit.jupiter.api.BeforeAll;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.condition.EnabledOnOs;
 import org.junit.jupiter.api.io.TempDir;
 import org.slf4j.LoggerFactory;
 import org.testcontainers.containers.GenericContainer;
@@ -29,6 +30,7 @@
 import org.testcontainers.junit.jupiter.Container;
 import org.testcontainers.junit.jupiter.Testcontainers;
 
+@EnabledOnOs(architectures = "x86_64")
 @Testcontainers
 public class OpenSSH74ServerSigAlgsIT {