[#1470] Add support for `account_id` param to filter notifications by the account
The account_id
param was added in Mastodon v2.9.0 (https://github.com/tootsuite/mastodon/pull/10796)
The account_id
param was added in Mastodon v2.9.0 (https://github.com/tootsuite/mastodon/pull/10796)