[deps] rev ai, core, dartdoc, protobuf, web, webdev

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

ai (https://github.com/dart-lang/ai/compare/1547a83..bc90433):
  bc90433  2025-09-04  Greg Spencer  Add pub add format guidance (dart-lang/ai#278)
  845c126  2025-09-04  dependabot[bot]  Bump the github-actions group with 2 updates (dart-lang/ai#277)
  5568958  2025-09-04  Jacob MacDonald  add a GEMINI.md file (dart-lang/ai#279)

core (https://github.com/dart-lang/core/compare/5c3e2c3..a4dc873):
  a4dc8738  2025-09-09  Ömer Sinan Ağacan  Implement `Int64` as a wrapper for `int` when targeting native and Wasm (dart-lang/core#905)
  1aa58ef5  2025-09-08  Devon Carew  [fixnum] update the min. required dart sdk (dart-lang/core#907)
  60f2b5d3  2025-09-08  Ömer Sinan Ağacan  Run fixnum tests with dart2wasm (dart-lang/core#906)

dartdoc (https://github.com/dart-lang/dartdoc/compare/53222e2..efff7c1):
  efff7c1f  2025-09-08  Sarah Zakarias  Remove  runtime_renderers.dart (dart-lang/dartdoc#4101)
  4e2daf57  2025-09-05  Sarah Zakarias  Rename LanguageFeature and remove FeatureSet mixin (dart-lang/dartdoc#4099)
  ecc48d00  2025-09-02  dependabot[bot]  Bump the github-actions group across 1 directory with 3 updates (dart-lang/dartdoc#4098)

protobuf (https://github.com/dart-lang/protobuf/compare/0a13935..971bcae):
  971bcae  2025-09-08  Ömer Sinan Ağacan  Use a map to cache the `valueOf` functions for enums (google/protobuf.dart#1047)
  8750ed7  2025-09-05  Ömer Sinan Ağacan  Sync internal Kythe support improvements (google/protobuf.dart#1048)

web (https://github.com/dart-lang/web/compare/a152054..e2daa3a):
  e2daa3a  2025-09-04  Nikechukwu  [interop] Add support for Intersection types (dart-lang/web#451)

webdev (https://github.com/dart-lang/webdev/compare/52ad019..23aefeb):
  23aefebe  2025-09-05  jensjoha  Fix CI flake in dwds/test/hot_restart_breakpoints_test.dart (dart-lang/webdev#2685)

Change-Id: I36cfbcdd884e8e0e38e24a9c7f3bcfcc15fdd9ff
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/449000
Reviewed-by: Konstantin Shcheglov <[email protected]>
Commit-Queue: Konstantin Shcheglov <[email protected]>
Auto-Submit: Devon Carew <[email protected]>

Author: devoncarew

DEPS

@@ -131,26 +131,26 @@ vars = {
   ### /third_party/pkg dependencies
   # 'tools/rev_sdk_deps.dart' will rev pkg dependencies to their latest; put an
   # EOL comment after a dependency to instead pin at the current revision.
-  "ai_rev": "1547a834d8a3bb021f2e6c49c41d5aaad11a5b7f",
+  "ai_rev": "bc90433664d502b69cc85f05ae2bc51df51a27a2",
   "core_rev": "5c3e2c38df268be2347f3aad30ced0147dd012bb",
-  "dartdoc_rev": "53222e20f3a82211a038de4e1710fd57b0403652",
+  "dartdoc_rev": "efff7c1f3e856b10fc2602aa4627b88f9167a955",
   "ecosystem_rev": "36e514d52c5d056227e4cea98b784ade50b5b4f1",
   "flute_rev": "d5adc4d6439572db5da71a9261b9bf0c7c96daa4",
   "http_rev": "ef05b3744424885d93f88a6a50664fb5b7d5cbdb",
   "i18n_rev": "a62bed2cf32482e531fbc5c719dfb30680f31c0d",
   "leak_tracker_rev": "f5620600a5ce1c44f65ddaa02001e200b096e14c", # rolled manually
   "material_color_utilities_rev": "799b6ba2f3f1c28c67cc7e0b4f18e0c7d7f3c03e",
   "native_rev": "99456dec33c4c1f8927c9948ac2138ae6961abf6", # rolled manually while native assets are experimental
-  "protobuf_rev": "0a139358f56d2b3444e1fe4016bfb6166bfc5622",
+  "protobuf_rev": "971bcae358e8c6d0246382b0b15b787e6ac0a428",
   "pub_rev": "469eb6193c0a49495ea2ce7432cf749f077ad596", # rolled manually
   "shelf_rev": "de91a5b8c1de05f622c0c6f1eab38d5f31e0113f",
   "sync_http_rev": "6666fff944221891182e1f80bf56569338164d72",
   "tar_rev": "d511a1dc4f197a29bc06479f4614135abb168b6e",
   "test_rev": "b99d556ec6096965eb177111299c0783678200f6",
   "tools_rev": "24707e094cd761178eb76e725ce17f51e22fd442",
   "vector_math_rev": "3939545edc38ed657381381d33acde02c49ff827",
-  "web_rev": "a15205456e2dd9f6d5b3a28d600a77d792ccf24d",
-  "webdev_rev": "52ad019105fa0123e0b35be3eb601551cc3b0bb7",
+  "web_rev": "e2daa3acca4cfee4442ae3cff7abab39e87ffb70",
+  "webdev_rev": "23aefebea46c1f94c27703743b2c8db1f651bf29",
   "webdriver_rev": "09104f459ed834d48b132f6b7734923b1fbcf2e9",
   "webkit_inspection_protocol_rev": "effa75205516757795683d527c3dea9546eb0c32",