[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

perun/profile/factory.py

@@ -58,7 +58,7 @@ class Profile(MutableMapping[str, Any]):
         "metric.value",
         "metric.score-value",
         "metric.percentile",
-        "return-value"
+        "return-value",
     }
     persistent = {
         "trace",