Roll Dart Protobuf Support from 504eefeae989 to 11983dafc427 (4 revis…

…ions)

https://dart.googlesource.com/protobuf/+log/504eefeae989..11983dafc427

2022-08-05 omersa@google.com Revert "Fix presence of bytes fields (#715)"
2022-08-05 omersa@google.com Document use case for `GeneratedMessage.createEmptyInstance` (#711)
2022-08-05 omersa@google.com Avoid redundant copying when deserializing binary messages (#718)
2022-08-05 omersa@google.com Remove unused `UnknownFieldSetField` methods (#721)

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/dart-protobuf-dart-sdk
Please CC dart-ecosystem-gardener@grotations.appspotmail.com on the revert to ensure that a human
is aware of the problem.

To file a bug in Dart Protobuf Support: https://github.com/dart-lang/protobuf/issues
To file a bug in Dart SDK: https://github.com/dart-lang/sdk/issues

To report a problem with the AutoRoller itself, please file a bug:
https://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+doc/main/autoroll/README.md

Tbr: dart-ecosystem-gardener@grotations.appspotmail.com
Change-Id: Ie9e2a5e4dde92f80858124efe4b9e131ade0d345
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/253724
Reviewed-by: Devon Carew <devoncarew@google.com>
Commit-Queue: Devon Carew <devoncarew@google.com>

DEPS

@@ -135,7 +135,7 @@ vars = {
   "path_rev": "9955b27b9bb98d87591208e19eb01c51d29fd467",
   "ply_rev": "604b32590ffad5cbb82e4afef1d305512d06ae93",
   "pool_rev": "fa84ddd0e39f45bf3f09dcc5d6b9fbdda7820fef",
-  "protobuf_rev": "504eefeae9892602ea50c20159db1db3768012a9",
+  "protobuf_rev": "11983dafc42775c56698af06107d626780e9cb69",
   "pub_rev": "ac7db6c07318efa4a8712110275eaf70f96a6d00", # manually rev'd
   "pub_semver_rev": "9fd28757ba45961ac5449e0f2b0020670e921475",
   "root_certificates_rev": "692f6d6488af68e0121317a9c2c9eb393eb0ee50",