Cherry pick for update to dartdoc 6.2.2 (#125661)
This is a cherry pick for #125650.
diff --git a/dev/bots/docs.sh b/dev/bots/docs.sh
index 435bad4..978d607 100755
--- a/dev/bots/docs.sh
+++ b/dev/bots/docs.sh
@@ -20,7 +20,7 @@
# Install and activate dartdoc.
# When updating to a new dartdoc version, please also update
# `dartdoc_options.yaml` to include newly introduced error and warning types.
- "$DART" pub global activate dartdoc 6.2.1
+ "$DART" pub global activate dartdoc 6.2.2
# Install and activate the snippets tool, which resides in the
# assets-for-api-docs repo: