ci: fix lint errors for CI

- Fix noImplicitAnyLet: add type to let match variable
- Fix noAssignInExpressions: use matchAll() + for-of instead of while
- Suppress useExhaustiveDependencies in mascot scroll effect
- Suppress useSemanticElements for message card click handler

services/discord-gateway/src/modules/command-handler/media.handler.ts

@@ -1,5 +1,5 @@
 import { randomUUID } from "node:crypto";
-import { type CommandMessage, type CommandReply } from "@bete/shared";
+import type { CommandMessage, CommandReply } from "@bete/shared";
 import { createChildLogger } from "@bete/shared/logger";
 import { StreamType } from "@discordjs/voice";
 import {