[co19] Roll co19 to cee2c7fe253fa70df29f28e7610a824800a477c5

2023-11-02 [email protected] Fixes dart-lang/co19#2344. Add more tests for constants (dart-lang/co19#2345)
2023-11-02 [email protected] dart-lang/co19#1400. Fix static_analysis_extension_types_A10_t03.dart (dart-lang/co19#2328)
2023-11-01 49699333+dependabot[bot]@users.noreply.github.com Bump actions/checkout from 4.1.0 to 4.1.1 (dart-lang/co19#2343)
2023-11-01 [email protected] dart-lang/co19#1400. Add test that extension type and its representation type cannot be in the same constant collection (dart-lang/co19#2341)
2023-10-30 [email protected] Fixes dart-lang/co19#2335. Fix superinterfaces_of_extension_type_A05_t07.dart, add new test expecting an error (dart-lang/co19#2336)
2023-10-26 [email protected] Fixes dart-lang/co19#2333. Representation type can be a subtype of a supertype (dart-lang/co19#2334)

Change-Id: I8531cb4b0e8e3900514f8b0143f918e76f1b0290
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/333780
Reviewed-by: Erik Ernst <[email protected]>
Reviewed-by: Alexander Thomas <[email protected]>

Author: sgrekhov

DEPS

@@ -55,7 +55,7 @@ vars = {
 
   # co19 is a cipd package. Use update.sh in tests/co19[_2] to update these
   # hashes.
-  "co19_rev": "3011a2e78f407ba3f9a3cf543fe17f5e8f2cc294",
+  "co19_rev": "cee2c7fe253fa70df29f28e7610a824800a477c5",
   # This line prevents conflicts when both packages are rolled simultaneously.
   "co19_2_rev": "d87f9096ec0a14cd7c32c33316fb2378b89d6a45",