Update sse dep

Change-Id: Ide1840e13b4423546c6390a183d5294ba4b8d016
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/202724
Auto-Submit: Gary Roumanis <grouma@google.com>
Commit-Queue: Nate Bosch <nbosch@google.com>
Reviewed-by: Nate Bosch <nbosch@google.com>
diff --git a/.dart_tool/package_config.json b/.dart_tool/package_config.json
index 93ba1d7..baa2b14 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": "2021-05-24T09:58:37.618570",
+  "generated": "2021-06-07T10:25:46.125579",
   "generator": "tools/generate_package_config.dart",
   "packages": [
     {
diff --git a/DEPS b/DEPS
index 1c57415..9e9e23d 100644
--- a/DEPS
+++ b/DEPS
@@ -156,7 +156,7 @@
   "source_maps-0.9.4_rev": "38524",
   "source_maps_rev": "53eb92ccfe6e64924054f83038a534b959b12b3e",
   "source_span_rev": "1be3c44045a06dff840d2ed3a13e6082d7a03a23",
-  "sse_tag": "adc3ac8027784ed9783d066dccadad44458788e4",
+  "sse_tag": "d505b383768889a1e3e90097684e929a9e6d6b8f",
   "stack_trace_tag": "6788afc61875079b71b3d1c3e65aeaa6a25cbc2f",
   "stream_channel_tag": "d7251e61253ec389ee6e045ee1042311bced8f1d",
   "string_scanner_rev": "1b63e6e5db5933d7be0a45da6e1129fe00262734",