🔧 Enable checking release-notes.md for typos (#436)

Author: YuriiMotov

pyproject.toml

@@ -166,10 +166,15 @@ error-on-warning = true
 extend-exclude = [
     "coverage/",
     "dist/",
-    "release-notes.md",
     "htmlcov/",
     "uv.lock",
 ]
 
+[tool.typos.default]
+extend-ignore-re = [
+    # GitHub usernames in @mentions
+    "@[a-zA-Z0-9](?:-?[a-zA-Z0-9])*",
+]
+
 [tool.typos.default.extend-identifiers]
 alls = "alls"