Reorder task keys: put id first

eval.yaml

@@ -2,9 +2,9 @@ description: "ArguAna: Retrieval of the Best Counterargument without Prior Topic
 evaluation_framework: mteb
 name: ArguAna
 tasks:
-  - config: null
-    id: ArguAna
+  - id: ArguAna
+    config: null
     split: null
-  - config: default
-    id: ArguAna_default_test
+  - id: ArguAna_default_test
+    config: default
     split: test