BREAKING: update mautrix to 0.15.x

vendor/maunium.net/go/mautrix/sqlstatestore/v00-latest-revision.sql

@@ -0,0 +1,23 @@
+-- v0 -> v5: Latest revision
+
+CREATE TABLE mx_registrations (
+	user_id TEXT PRIMARY KEY
+);
+
+-- only: postgres
+CREATE TYPE membership AS ENUM ('join', 'leave', 'invite', 'ban', 'knock');
+
+CREATE TABLE mx_user_profile (
+	room_id     TEXT,
+	user_id     TEXT,
+	membership  membership NOT NULL,
+	displayname TEXT NOT NULL DEFAULT '',
+	avatar_url  TEXT NOT NULL DEFAULT '',
+	PRIMARY KEY (room_id, user_id)
+);
+
+CREATE TABLE mx_room_state (
+	room_id      TEXT PRIMARY KEY,
+	power_levels jsonb,
+	encryption   jsonb
+);