[deps] rev http, web_socket_channel

Revisions updated by `dart tools/rev_sdk_deps.dart`.

http (https://github.com/dart-lang/http/compare/34d7087..e459e5c):
  e459e5c  2024-04-25  Brian Quinlan  Use WebSocketConnectionClosed for operations after WebSocket close (dart-lang/http#1180)
  9780081  2024-04-25  Brian Quinlan  Make the cupertino_http workflow work after 'macos-latest' upgrade (dart-lang/http#1182)

web_socket_channel (https://github.com/dart-lang/web_socket_channel/compare/b612fc2..b672220):
  b672220  2024-04-26  Brian Quinlan  Fix a race when close() called before remote class event delivered (dart-lang/web_socket_channel#348)

Change-Id: Ib8946161d9a2c626339901d4de03e989e81159d8
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/364820
Commit-Queue: Konstantin Shcheglov <[email protected]>
Auto-Submit: Devon Carew <[email protected]>
Reviewed-by: Konstantin Shcheglov <[email protected]>

DEPS

@@ -151,7 +151,7 @@ vars = {
   "flute_rev": "a531c96a8b43d015c6bfbbfe3ab54867b0763b8b",
   "glob_rev": "25ee2c20a3c7b93f4096036939a59e40916a3890",
   "html_rev": "5b99b43f71da0c6b0f962244c7f5dfa8ca970fef",
-  "http_rev": "34d7087ed2361dbe68faae6af8e7874fb805311d",
+  "http_rev": "e459e5c6f6c60d56a42755164526501f3daa66df",
   "http_multi_server_rev": "6ce0a137aa20cc12b883a386bb7c0ae677cb3429",
   "http_parser_rev": "8ffcaec6fedfac5274cfa57e133d47d499bdabc0",
   "intl_rev": "5d65e3808ce40e6282e40881492607df4e35669f",
@@ -192,7 +192,7 @@ vars = {
   "vector_math_rev": "43f2a77bb0be812b027a68a11792d563713b42a1",
   "watcher_rev": "1bd2f20d0d924c8422aa2b9afdb165bff4f053c0",
   "web_rev": "9d8c802d13b785b1a5b201c4a43605d640841c98",
-  "web_socket_channel_rev": "b612fc2caa9f4c3c8947b4ffbb274bce33c54a04",
+  "web_socket_channel_rev": "b67222092b4153cd7d61b92744b4f0a620c55481",
   "webdev_rev": "50bf268794a4cb70b3a82d8177e55160ee4227df",
   "webdriver_rev": "c80e01e6ce121e55c31e33a31e5d3950023e6bc9",
   "webkit_inspection_protocol_rev": "153fea4fe5ac45bebf0c2e76bb3d76b0f1fcdaae",