Randomize naming for createVolumeDirectory method (#4195)

Also marks createVolumeDirectory method as deprecated


Co-authored-by: Richard North <[email protected]>

Author: johnathana

core/src/main/java/org/testcontainers/containers/GenericContainer.java

@@ -88,6 +88,7 @@
 import java.util.Objects;
 import java.util.Optional;
 import java.util.Set;
+import java.util.UUID;
 import java.util.concurrent.ExecutionException;
 import java.util.concurrent.Future;
 import java.util.concurrent.TimeUnit;
@@ -647,8 +648,9 @@ protected Logger logger() {
      * @param temporary is the volume directory temporary? If true, the directory will be deleted on JVM shutdown.
      * @return path to the volume directory
      */
+    @Deprecated
     protected Path createVolumeDirectory(boolean temporary) {
-        Path directory = new File(".tmp-volume-" + System.currentTimeMillis()).toPath();
+        Path directory = new File(".tmp-volume-" + UUID.randomUUID()).toPath();
         PathUtils.mkdirp(directory);
 
         if (temporary) Runtime.getRuntime().addShutdownHook(new Thread(DockerClientFactory.TESTCONTAINERS_THREAD_GROUP, () -> {