Bump http_io to 405fc79233b4a3d4bb079ebf438bb2caf2f49355

Changes:
```
> git log --format="%C(auto) %h %s" 2fa188c..405fc79
 https://dart.googlesource.com/http_io.git/+/405fc79 Bump actions/checkout from 2 to 3 (#92)
 https://dart.googlesource.com/http_io.git/+/ccfb1ef Fix updated lints (#91)
 https://dart.googlesource.com/http_io.git/+/fcb94c0 Dart format with latest SDK (#90)
 https://dart.googlesource.com/http_io.git/+/b723cb6 Bump dart-lang/setup-dart from 0.3 to 1 (#89)
 https://dart.googlesource.com/http_io.git/+/ac00226 Add dependabot
 https://dart.googlesource.com/http_io.git/+/78956f5 Update LICENSE (#88)
 https://dart.googlesource.com/http_io.git/+/1715644 Migrate GitHub Actions (#86)
 https://dart.googlesource.com/http_io.git/+/5de81cd Update test API usage to non-deprecated members (#85)
 https://dart.googlesource.com/http_io.git/+/2cb230f Update formatting after dartfmt change
 https://dart.googlesource.com/http_io.git/+/c84afce test: remove unused, optional/positional argument in private function
 https://dart.googlesource.com/http_io.git/+/3adb2fd Fix lints (#81)
 https://dart.googlesource.com/http_io.git/+/e47fc8f lint cleanup (#80)
 https://dart.googlesource.com/http_io.git/+/5a3e178 Enable and fix lints (#79)
 https://dart.googlesource.com/http_io.git/+/771fb58 Bump min SDK for http_io (#78)
 https://dart.googlesource.com/http_io.git/+/fe5c4bf Fix return type in test functions
 https://dart.googlesource.com/http_io.git/+/0384af8 Travis: Update min tested SDK

```

Diff: https://dart.googlesource.com/http_io.git/+/2fa188caf7937e313026557713f7feffedd4978b~..405fc79233b4a3d4bb079ebf438bb2caf2f49355/
Change-Id: I1107e9dcdbb52bb3b22bd5abbcd347c5a83aea2d
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/244720
Reviewed-by: Nate Bosch <nbosch@google.com>
Commit-Queue: Devon Carew <devoncarew@google.com>

DEPS

@@ -114,7 +114,7 @@ vars = {
   "fixnum_rev": "3bfc2ed1eea7e7acb79ad4f17392f92c816fc5ce",
   "glob_rev": "e10eb2407c58427144004458ef85c9bbf7286e56",
   "html_rev": "f108bce59d136c584969fd24a5006914796cf213",
-  "http_io_rev": "2fa188caf7937e313026557713f7feffedd4978b",
+  "http_io_rev": "405fc79233b4a3d4bb079ebf438bb2caf2f49355",
   "http_multi_server_rev": "34bf7f04b61cce561f47f7f275c2cc811534a05a",
   "http_parser_rev": "9126ee04e77fd8e4e2e6435b503ee4dd708d7ddc",
   "http_rev": "2c9b418f5086f999c150d18172d2eec1f963de7b",