Use JWT for access tokens (#15972)

homeassistant/auth/__init__.py

homeassistant/auth/auth_store.py

homeassistant/auth/models.py

homeassistant/components/auth/__init__.py

homeassistant/components/http/auth.py

homeassistant/components/websocket_api.py

homeassistant/package_constraints.txt

requirements_all.txt

setup.py

tests/auth/test_init.py

tests/common.py

tests/components/auth/test_init.py

tests/components/auth/test_init_link_user.py

tests/components/config/test_auth.py

tests/components/config/test_auth_provider_homeassistant.py

tests/components/conftest.py

tests/components/hassio/test_init.py

tests/components/http/test_auth.py

tests/components/test_api.py

tests/components/test_websocket_api.py