Potential fix for code scanning alert no. 396: Local information disclosure in a temporary directory

Co-authored-by: Copilot Autofix powered by AI <62310815+github-advanced-security[bot]@users.noreply.github.com>

Author: tomasfryda

h2o-algos/src/test/java/hex/glm/GLMMojoControlVarsOffsetTest.java

@@ -14,6 +14,7 @@
 
 import java.io.File;
 import java.io.FileOutputStream;
+import java.nio.file.Files;
 
 import static org.junit.Assert.*;
 
@@ -188,7 +189,7 @@ private void testCombination(Frame train, GLMModel.GLMParameters.Family family,
             Scope.track(h2oPreds);
 
             // Save MOJO, reimport as GenericModel, score, and compare
-            File mojoFile = File.createTempFile("glm_mojo", ".zip");
+            File mojoFile = Files.createTempFile("glm_mojo", ".zip").toFile();
             mojoFile.deleteOnExit();
             try (FileOutputStream fos = new FileOutputStream(mojoFile)) {
                 model.getMojo().writeTo(fos);