Bump dart-lang/ai rev

Closes #61691

GitOrigin-RevId: 5cdcf4d
Change-Id: I01bb7189d3ba36b7c2593dcacef75c36c518534f
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/453648
Reviewed-by: Keerti Parthasarathy <[email protected]>
Commit-Queue: Keerti Parthasarathy <[email protected]>
Commit-Queue: Greg Spencer <[email protected]>
Reviewed-by: Greg Spencer <[email protected]>

Author: gspencergoog

DEPS

@@ -131,7 +131,7 @@ 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": "ec5d6aa38c8a6a9e687cc5223e2592ac91f2d5fe",
+  "ai_rev": "59db320ee39a1ae5f6e2830be851e52bb7263ce1",
   "core_rev": "5c3e2c38df268be2347f3aad30ced0147dd012bb", # b/444274553
   "dartdoc_rev": "ec2a4feee51961e9fbdd2bd94060cc8fc994c47e",
   "ecosystem_rev": "96ee86147a5f4c70aed64262e1521b745936cdb1",