test(smoke): bump Llama3LeafSmokeTest timeout from 5 to 10 minutes

Wall time on the dev box drifted to ~8.5 min, just past the 5 min cap.
Loads + outputs are correct; only the timeout was firing.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

Author: michalharakal

llm-test/llm-test-java/src/test/java/sk/ainet/transformers/java/Llama3LeafSmokeTest.java

@@ -34,7 +34,7 @@
 class Llama3LeafSmokeTest {
 
     @Test
-    @Timeout(value = 5, unit = TimeUnit.MINUTES)
+    @Timeout(value = 10, unit = TimeUnit.MINUTES)
     void leafEmbeddingAndLlama3GenerationBothWork() throws Exception {
         Path leafDir = resolveLeafModelDir();
         Path llamaPath = resolveLlama3Path();