Ignore unintended_html_in_doc_comment

Wait for the false positives to be resolved.
dart-lang/sdk#56465

Referring to an exception with a generic worth specifying for the first
time in a doc seems to me to be a valid reason to use this pattern.

pkgs/graphs/CHANGELOG.md

@@ -1,3 +1,5 @@
+## 2.3.3-wip
+
 ## 2.3.2
 
 - Require Dart 3.4

pkgs/graphs/analysis_options.yaml

@@ -6,6 +6,7 @@ analyzer:
     strict-raw-types: true
   errors:
     sort_pub_dependencies: ignore
+    unintended_html_in_doc_comment: ignore
 
 linter:
   rules:

pkgs/graphs/pubspec.yaml

@@ -1,5 +1,5 @@
 name: graphs
-version: 2.3.2
+version: 2.3.3-wip
 description: Graph algorithms that operate on graphs in any representation.
 repository: https://github.com/dart-lang/tools/tree/main/pkgs/graphs