[co19] Roll co19 to 5d40729f9d7e6c97d7449a7647e1aab6e76f1818

2023-10-23 [email protected] Fixes dart-lang/co19#2319. Fix roll failures (dart-lang/co19#2321)
2023-10-23 [email protected] dart-lang/co19#1400. [Extension types] Add more top types tests (dart-lang/co19#2322)
2023-10-18 [email protected] dart-lang/co19#1400. [Extension types] Add more superinterfaces tests (dart-lang/co19#2315)
2023-10-18 [email protected] dart-lang/co19#2291. Add more Link.createSync() tests. Part 2 (dart-lang/co19#2316)
2023-10-17 [email protected] Fixes dart-lang/co19#2304. Add more `Object` member tests (dart-lang/co19#2312)
2023-10-17 [email protected] dart-lang/co19#2313. Fix expected static type in upper_bound_A01_t05.dart (dart-lang/co19#2314)

Change-Id: Id5279b7bad5e45c7e8a5d2fa7cbffe49bd1b2093
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/331860
Reviewed-by: Erik Ernst <[email protected]>
Reviewed-by: Alexander Thomas <[email protected]>

DEPS

@@ -53,7 +53,7 @@ vars = {
 
   # co19 is a cipd package. Use update.sh in tests/co19[_2] to update these
   # hashes.
-  "co19_rev": "9d347fdf209cc343ca7fdf94a40deea88fa28896",
+  "co19_rev": "5d40729f9d7e6c97d7449a7647e1aab6e76f1818",
   # This line prevents conflicts when both packages are rolled simultaneously.
   "co19_2_rev": "d87f9096ec0a14cd7c32c33316fb2378b89d6a45",