v21.2.9
refactor(material/input): fix strict property initialization errors
build: enable AoT compilation for all tests (#31930)
docs: rename material.angular.io to material.angular.dev (#30993)
refactor: remove duplicate theme style warnings (#31361)
docs: replace angular.io links with angular.dev (#29734)
fix(material/core): remove MatCommonModule (#31813)
refactor(material/input): support signal-based input accessor
docs: convert remaining @NgModule provider examples to bootstrapApplication (#32840)
refactor(material/input): switch tests away from fakeAsync (#32938)
build: update to TypeScript 5.9 (#31604)