Replace "create_core" with "create" command. "create" works on 8x, 9x, and is the default choice in Solr 10x

Author: epugh

modules/solr/src/main/java/org/testcontainers/containers/SolrContainer.java

@@ -143,7 +143,7 @@ protected void waitUntilContainerStarted() {
     @SneakyThrows
     protected void containerIsStarted(InspectContainerResponse containerInfo) {
         if (!configuration.isZookeeper()) {
-            ExecResult result = execInContainer("solr", "create_core", "-c", configuration.getCollectionName());
+            ExecResult result = execInContainer("solr", "create", "-c", configuration.getCollectionName());
             if (result.getExitCode() != 0) {
                 throw new IllegalStateException(
                     "Unable to create solr core:\nStdout: " + result.getStdout() + "\nStderr:" + result.getStderr()