[deps] rev ecosystem, http, i18n, protobuf, web, webdev

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

ecosystem (https://github.com/dart-lang/ecosystem/compare/68ff911..fd28be2):
  fd28be2  2025-08-27  Moritz  Dont show warnings by default (dart-lang/ecosystem#365)

http (https://github.com/dart-lang/http/compare/6656f15..ef05b37):
  ef05b37  2025-08-27  Brian Quinlan  [cupertino_http]: Switch to ffigen 19.1.0 (dart-lang/http#1811)

i18n (https://github.com/dart-lang/i18n/compare/6a8f9c7..9a211d1):
  9a211d14  2025-08-27  Moritz  [package:intl4x] `DateTime` formatting redesign (dart-lang/i18n#1003)

protobuf (https://github.com/dart-lang/protobuf/compare/6e9c9f4..765ba8a):
  765ba8a  2025-08-28  Ömer Sinan Ağacan  Fix non-proto3 JSON format double decoding (google/protobuf.dart#1043)
  703bf7c  2025-08-27  Ömer Sinan Ağacan  Compile dart2wasm benchmarks with --no-strip-wasm (google/protobuf.dart#1044)
  9939965  2025-08-26  Ömer Sinan Ağacan  Fix JS interop annotations (google/protobuf.dart#1042)
  da354a2  2025-08-22  Ömer Sinan Ağacan  Update benchmark builder to use -O2 with dart2wasm, add output dir to gitignore (google/protobuf.dart#1041)
  41eba19  2025-08-22  Ömer Sinan Ağacan  Add sinks to benchmarks to prevent smart tools eliminating benchmarked code (google/protobuf.dart#1040)
  3ccc8ab  2025-08-19  dependabot[bot]  Bump actions/checkout from 3.5.3 to 4.2.2 (google/protobuf.dart#1036)
  6bce9d7  2025-08-19  Ömer Sinan Ağacan  Fix unknown enum handling (google/protobuf.dart#853)
  19e5a25  2025-08-15  Ömer Sinan Ağacan  Implement deepCopy as copying, instead of merge (google/protobuf.dart#742)

web (https://github.com/dart-lang/web/compare/ee9733f..e7895bd):
  e7895bd  2025-08-27  Nikechukwu  [interop] Add Support for Declaration Merging and Overloading (dart-lang/web#449)

webdev (https://github.com/dart-lang/webdev/compare/9724fea..a7d3d2f):
  a7d3d2fc  2025-08-27  Ben Konyi  [ DWDS ] Fix issue where null was repeatedly sent to connected clients (dart-lang/webdev#2678)
  e3009dfb  2025-08-27  Nate Biggs  Remove stale calls to dartSdkIsAtLeast. (dart-lang/webdev#2677)
  e0d58082  2025-08-26  Nate Biggs  Fix expectation in test accessing private field. (dart-lang/webdev#2676)

Change-Id: Ia98a8f065830865f6922ca032939380683645d72
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/447640
Reviewed-by: Konstantin Shcheglov <[email protected]>
Commit-Queue: Konstantin Shcheglov <[email protected]>
Auto-Submit: Devon Carew <[email protected]>

Author: devoncarew

DEPS

@@ -134,23 +134,23 @@ vars = {
   "ai_rev": "a9eb685c1819b1cf45f0896280449cd6a1dd7171",
   "core_rev": "b59ecf4ceebe6153e1c0166b7c9a7fdd9458a89d",
   "dartdoc_rev": "d683b47abc407a3093c269f67ed4c66b98138d56",
-  "ecosystem_rev": "68ff911b19e1abf00ff43b2b37bd16b1af01e088",
+  "ecosystem_rev": "fd28be20128be08cb15c19d2d262be4b5aa2ce65",
   "flute_rev": "d5adc4d6439572db5da71a9261b9bf0c7c96daa4",
-  "http_rev": "6656f15e88e68f6cafa2a7bbffa37fd6ac2dd33a",
-  "i18n_rev": "6a8f9c79cb3345b7a7c1b895b6c0a4acce9aa797",
+  "http_rev": "ef05b3744424885d93f88a6a50664fb5b7d5cbdb",
+  "i18n_rev": "9a211d14361fd51eb05d9d9b56a075ec06d269ef",
   "leak_tracker_rev": "f5620600a5ce1c44f65ddaa02001e200b096e14c", # rolled manually
   "material_color_utilities_rev": "799b6ba2f3f1c28c67cc7e0b4f18e0c7d7f3c03e",
   "native_rev": "99456dec33c4c1f8927c9948ac2138ae6961abf6", # rolled manually while native assets are experimental
-  "protobuf_rev": "6e9c9f4637bc0db8a855c7b26e8f87a2279307cc",
+  "protobuf_rev": "765ba8a280164e1985ba6564064eb8a4b5a2e1a7",
   "pub_rev": "469eb6193c0a49495ea2ce7432cf749f077ad596", # rolled manually
   "shelf_rev": "400fc396b9fd07b3dced5c6a0d7567072598f2d9",
   "sync_http_rev": "c07f96f89a7eec7e3daac641fa6c587224fcfbaa",
   "tar_rev": "d511a1dc4f197a29bc06479f4614135abb168b6e",
   "test_rev": "5aef9719ad9b598260c062b2a90a50d2f50a78f3", # https://dart-review.googlesource.com/c/sdk/+/444360
   "tools_rev": "24707e094cd761178eb76e725ce17f51e22fd442",
   "vector_math_rev": "3939545edc38ed657381381d33acde02c49ff827",
-  "web_rev": "ee9733fb51ead11d863a00497d721c5b627ac97d",
-  "webdev_rev": "9724fea63ea642cbcf87bb6e43b4076681161a4f",
+  "web_rev": "e7895bddba431c4471867656c5206a5e3ddaeec0",
+  "webdev_rev": "a7d3d2fc75d044d121cfe0c13a4955f1d6ffae98",
   "webdriver_rev": "595649d890f69b9d05a596426ca93681b1921132",
   "webkit_inspection_protocol_rev": "effa75205516757795683d527c3dea9546eb0c32",