fix: stop logging em divergence warning

Author: igboyes

src/em.rs

@@ -316,7 +316,7 @@ fn check_convergence(
 
     // Detect potential divergence
     if iteration > 10 && cutoff > 1e-2 {
-        warn!("EM may be diverging at iteration {} (delta: {:.2e})", iteration + 1, cutoff);
+        info!("EM may be diverging at iteration {} (delta: {:.2e})", iteration + 1, cutoff);
     }
 
     false
@@ -768,4 +768,4 @@ mod tests {
             assert_eq!(score_sum, 0.0, "Read with all zero scores should sum to 0.0");
         }
     }
-}
+}