Update pana threshold

Author: mugikhan

Diff for: melos.yaml

@@ -32,10 +32,10 @@ scripts:
     description: Analyze Dart code in packages.
     run: dart analyze packages --fatal-infos
 
-  # TODO: Temporarily setting the exit-code-threshold to 10 until drift_sqlite_async dependencies are updated.
+  # TODO: Temporarily setting the exit-code-threshold to 20 until drift_sqlite_async dependencies are updated.
   analyze:packages:pana:
     description: Analyze Dart packages with Pana
-    exec: dart pub global run pana --no-warning --exit-code-threshold 10
+    exec: dart pub global run pana --no-warning --exit-code-threshold 20
     packageFilters:
       noPrivate: true