Enable the @typescript-eslint/no-unsafe-member-access eslint rule (#1833)

## Description:

Enable the `@typescript-eslint/no-unsafe-member-access` eslint rule.

Fixes #1783

## Please complete the following:

- [x] I have added screenshots for all UI updates
- [x] I process any text displayed to the user through translateText()
and I've added it to the en.json file
- [x] I have added relevant tests to the test directory
- [x] I confirm I have thoroughly tested these changes and take full
responsibility for any bugs introduced

src/server/Master.ts

@@ -1,3 +1,4 @@
+/* eslint-disable @typescript-eslint/no-unsafe-member-access */
 import cluster from "cluster";
 import express from "express";
 import rateLimit from "express-rate-limit";