[co19] Roll co19 to f91e5d74f9f0444495ca961fa5dafacac9a6922a

2023-02-17 [email protected] dart-lang/co19#1399. [Records] Allow legacy libraries that don't support records to still be able to see the Record class in "dart:core" (dart-lang/co19#1571)
2023-02-17 [email protected] dart-lang/co19#1860. Fix type_inference_A12_t01.dart. Don't expect warning (dart-lang/co19#1862)
2023-02-17 [email protected] Fixes dart-lang/co19#1860. Fix roll failures (dart-lang/co19#1861)
2023-02-16 [email protected] dart-lang/co19#1401. Calculating the static type of the pattern tests added (dart-lang/co19#1847)
2023-02-16 [email protected] dart-lang/co19#1401. Shared case scope test with labels and default case added (dart-lang/co19#1858)
2023-02-15 [email protected] Fixes dart-lang/co19#1837. Add additional unnecessary null-ckeck warnings (dart-lang/co19#1842)

Change-Id: I3a1f5deafd4f2868574f085495417ed37fe845b9
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/284080
Reviewed-by: Alexander Thomas <[email protected]>

Author: sgrekhov

DEPS

@@ -52,7 +52,7 @@ vars = {
 
   # co19 is a cipd package. Use update.sh in tests/co19[_2] to update these
   # hashes.
-  "co19_rev": "0230e6a44d8b6c26921567383d80b9e1a0cf527f",
+  "co19_rev": "f91e5d74f9f0444495ca961fa5dafacac9a6922a",
   # This line prevents conflicts when both packages are rolled simultaneously.
   "co19_2_rev": "93b818c9cf570a63cbea56508e393770787fd5ab",