Merge branch 'webauthn' into 'master'

actions.go

actions_resource.go

actions_test.go

actions_user.go

backend/cache/cache.go

backend/instrumented/instrumented_backend.go

backend/ldap/composite_values.go

backend/ldap/model.go

backend/ldap/model_test.go

backend/ldap/resources.go

backend/ldap/testdata/test4.ldif

backend/ldap/tx.go

go.mod

go.sum

integrationtest/account_mgmt_test.go

integrationtest/availability_test.go

integrationtest/disable_user_test.go

integrationtest/errors_test.go

integrationtest/integration_test.go

integrationtest/resources_test.go