chore: upgrade TypeScript 4.9 to 5.9, ESLint 8.29 to 8.57, @typescript-eslint 5 to 7

Resolves all TS2345/TS2347/TS7006 type errors introduced by stricter TypeScript 5.x.
Fix Icons.Settings to Icons.Setting, cast account data returns, fix implicit any.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/app/features/call/CallMemberCard.tsx

@@ -1,4 +1,5 @@
-import { CallMembership, SessionMembershipData } from 'matrix-js-sdk/lib/matrixrtc/CallMembership';
+import { CallMembership } from 'matrix-js-sdk/lib/matrixrtc/CallMembership';
+import { type SessionMembershipData } from 'matrix-js-sdk/lib/matrixrtc';
 import React, { useState } from 'react';
 import { Avatar, Box, Icon, Icons, Text } from 'folds';
 import { useMatrixClient } from '../../hooks/useMatrixClient';