[deps] rev dartdoc, html, intl, mime, and usage

dartdoc (https://github.com/dart-lang/dartdoc/compare/62bc150..866338f):
  866338f1  2022-09-29  Sam Rawlins  Bump to 6.1.2 (#3198)

html (https://github.com/dart-lang/html/compare/8243e96..faafebf):
  faafebf  2022-09-29  Devon Carew  Merge pull request #188 from dart-lang/update_readme
  d27b898  2022-09-29  Devon Carew  Merge pull request #189 from dart-lang/update_ci
  5a0be75  2022-09-29  Devon Carew  update to our current CI best practices
  4185afd  2022-09-29  Devon Carew  add markdown badges to the readme

intl (https://github.com/dart-lang/intl/compare/5464b3b..7639a15):
  7639a15  2022-09-27  Nate Bosch  Simplify the IntlStream class (#494)
  a4b44a9  2022-09-27  Lasse R.H. Nielsen  Cleanup of `var this.`, dynamic parameters, and more (#497)

mime (https://github.com/dart-lang/mime/compare/0a75a41..bf041aa):
  bf041aa  2022-09-26  Devon Carew  update action versions; add dependabot config (#69)

usage (https://github.com/dart-lang/usage/compare/e287a72..9a98c89):
  9a98c89  2022-09-29  Devon Carew  whitespace change to the LICENSE file (#182)
  cf284c7  2022-09-29  Kevin Moore  analysis options and lint cleanup (#183)

Change-Id: I0a6bd0de7bc75cd84b20e1de6f0463544ac68a70
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/262020
Reviewed-by: Kevin Moore <kevmoo@google.com>
Commit-Queue: Kevin Moore <kevmoo@google.com>
Auto-Submit: Devon Carew <devoncarew@google.com>

DEPS

@@ -111,18 +111,18 @@ vars = {
   # For more details, see https://github.com/dart-lang/sdk/issues/30164.
   "dart_style_rev": "49bc3ff32b5578b6e19f8fd376d668130941ee29", # manually rev'd
 
-  "dartdoc_rev": "62bc1503b285699b336ec497bb777101fbfa2fc5",
+  "dartdoc_rev": "866338f12eb404217ec5a2e245ba5007779b7a3c",
   "devtools_rev": "40aae5e5ea2118e2b6dee8a8a20f166f7cec4270",
   "ffi_rev": "fb5f2667826c0900e551d19101052f84e35f41bf",
   "file_rev": "b2e31cb6ef40b223701dbfa0b907fe58468484d7",
   "fixnum_rev": "e0b17cc1f639c55a9c24947392c64b5a68992535",
   "glob_rev": "1d51fcc172e5adfbae6e82c3f8f119774cb2fca2",
-  "html_rev": "8243e967caad9932c13971af3b2a7c8f028383d5",
+  "html_rev": "faafebfd2965ce38ed8ca22e42791255d48ad5e7",
   "http_multi_server_rev": "20bf079c8955d1250a45afb9cb096472a724a551",
   "http_parser_rev": "b968f7ddde0588273a6cbd1d2eb6569f418606ac",
   "http_rev": "738a55b20e391c5a526b86bf4b02af6b7745b494",
   "icu_rev": "81d656878ec611cb0b42d52c82e9dae93920d9ba",
-  "intl_rev": "5464b3b95635e97f67e29d71bdbe85a5d4126971",
+  "intl_rev": "7639a1588d2b037230e0ace17ab761c05c91f259",
   "jinja2_rev": "2222b31554f03e62600cd7e383376a7c187967a1",
   "json_rpc_2_rev": "805e6536dd961d66f6b8cd46d8f3e61774f957c9",
   "linter_rev": "f2c55484e8ebda0aec8c2fea637b3bd5b17258ca", # 1.28.0
@@ -131,7 +131,7 @@ vars = {
   "markdown_rev": "87e4c689342d5bbaa84ba2999abf0bff503979be",
   "markupsafe_rev": "8f45f5cfa0009d2a70589bcda0349b8cb2b72783",
   "matcher_rev": "6a9b83bbd73e50df2058b3e8e4aa301df49569c6",
-  "mime_rev": "0a75a41445eb642674a0a271eecde78cb025ee60",
+  "mime_rev": "bf041aa372a27aae6f94e185aa0af3932b9de98b",
   "mockito_rev": "02ad6c793d9ea970b5cc892f45a55d12d8ebf4e8",
   "oauth2_rev": "199ebf15cbd5b07958438184f32e41c4447a57bf",
   "package_config_rev": "cff98c90acc457a3b0750f0a7da0e351a35e5d0c",
@@ -157,7 +157,7 @@ vars = {
   "test_reflective_loader_rev": "ef934b7a894d78601ba67d8f6207bd4505690456",
   "test_rev": "58beb14cf1562429d411efa8926d7c61d0d0b133",
   "typed_data_rev": "6369490ede1c87a4a5758304a606a6e4eee364b9",
-  "usage_rev": "e287a72228974886d8a3b40ddcdf12f69d7c6a22",
+  "usage_rev": "9a98c89163c7122bf946954209a69718300392d9",
   "vector_math_rev": "1eee95b15e5d35cf519514cc253037b19705fb7a",
   "watcher_rev": "e00c0ea769e32821d91c0880da8eb736839a6e6d",
   "web_components_rev": "8f57dac273412a7172c8ade6f361b407e2e4ed02",