Update to the latest package:stream_channel

Change-Id: I8e2c41d480249b02f9645abda58469557091fc85
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/220281
Auto-Submit: Nate Bosch <nbosch@google.com>
Commit-Queue: Nate Bosch <nbosch@google.com>
Commit-Queue: Kevin Moore <kevmoo@google.com>
Reviewed-by: Kevin Moore <kevmoo@google.com>
diff --git a/.dart_tool/package_config.json b/.dart_tool/package_config.json
index a988d58..d468fbd 100644
--- a/.dart_tool/package_config.json
+++ b/.dart_tool/package_config.json
@@ -11,7 +11,7 @@
     "constraint, update this by running tools/generate_package_config.dart."
   ],
   "configVersion": 2,
-  "generated": "2021-11-10T09:58:01.876670",
+  "generated": "2021-11-15T17:34:02.415038",
   "generator": "tools/generate_package_config.dart",
   "packages": [
     {
@@ -659,7 +659,7 @@
       "name": "stream_channel",
       "rootUri": "../third_party/pkg/stream_channel",
       "packageUri": "lib/",
-      "languageVersion": "2.10"
+      "languageVersion": "2.14"
     },
     {
       "name": "string_scanner",
diff --git a/DEPS b/DEPS
index a4e2e0f..e29b322 100644
--- a/DEPS
+++ b/DEPS
@@ -155,7 +155,7 @@
   "source_span_rev": "1be3c44045a06dff840d2ed3a13e6082d7a03a23",
   "sse_rev": "9084339389eb441d0c0518cddac211a097e78657",
   "stack_trace_rev": "6788afc61875079b71b3d1c3e65aeaa6a25cbc2f",
-  "stream_channel_rev": "d7251e61253ec389ee6e045ee1042311bced8f1d",
+  "stream_channel_rev": "3fa3e40c75c210d617b8b943b9b8f580e9866a89",
   "string_scanner_rev": "1b63e6e5db5933d7be0a45da6e1129fe00262734",
   "sync_http_rev": "b59c134f2e34d12acac110d4f17f83e5a7db4330",
   "test_descriptor_rev": "ead23c1e7df079ac0f6457a35f7a71432892e527",