v21.2.9
build: add import maps `extract_api_to_json` (#32407)
build: set up public-api files for aria (#32535)
docs: add reference links to ARIA (#32498)
fix(multiple): incorrect paths in declaration files for aria
fix(multiple): change aria keyboard manager to only handle repeated events in correct places (#32728)
[aria/multiple] Add to and clean up input validation across aria components (#32713)
refactor(aria/toolbar): split directives and resolve circular dependencies