Fix typo `dimsiss` -> `dismiss` in changelog (#33116)

CHANGELOG.md

@@ -68,7 +68,7 @@ The following changelog entries focus on changes visible to users, administrator
   - `GET /api/v2/notifications`: https://docs.joinmastodon.org/methods/grouped_notifications/#get-grouped
   - `GET /api/v2/notifications/:group_key`: https://docs.joinmastodon.org/methods/grouped_notifications/#get-notification-group
   - `GET /api/v2/notifications/:group_key/accounts`: https://docs.joinmastodon.org/methods/grouped_notifications/#get-group-accounts
-  - `POST /api/v2/notifications/:group_key/dimsiss`: https://docs.joinmastodon.org/methods/grouped_notifications/#dismiss-group
+  - `POST /api/v2/notifications/:group_key/dismiss`: https://docs.joinmastodon.org/methods/grouped_notifications/#dismiss-group
   - `GET /api/v2/notifications/:unread_count`: https://docs.joinmastodon.org/methods/grouped_notifications/#unread-group-count
 - **Add notification policies, filtered notifications and notification requests** (#29366, #29529, #29433, #29565, #29567, #29572, #29575, #29588, #29646, #29652, #29658, #29666, #29693, #29699, #29737, #29706, #29570, #29752, #29810, #29826, #30114, #30251, #30559, #29868, #31008, #31011, #30996, #31149, #31220, #31222, #31225, #31242, #31262, #31250, #31273, #31310, #31316, #31322, #31329, #31324, #31331, #31343, #31342, #31309, #31358, #31378, #31406, #31256, #31456, #31419, #31457, #31508, #31540, #31541, #31723, #32062 and #32281 by @ClearlyClaire, @Gargron, @TheEssem, @mgmn, @oneiros, and @renchap)\
   The old “Block notifications from non-followers”, “Block notifications from people you don't follow” and “Block direct messages from people you don't follow” notification settings have been replaced by a new set of settings found directly in the notification column.\