Enable the @typescript-eslint/no-unsafe-assignment eslint rule (#1832)

## Description:

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

Fixes #1781

## 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/Gatekeeper.ts

@@ -66,6 +66,7 @@ async function getGatekeeper(): Promise<Gatekeeper> {
 
       // Use dynamic import for ES modules
       // Using a type assertion to avoid TypeScript errors for optional modules
+      // eslint-disable-next-line @typescript-eslint/no-unsafe-assignment
       const module = await import(
         "./gatekeeper/RealGatekeeper.js" as string
       ).catch(() => import("./gatekeeper/RealGatekeeper.js" as string));

src/server/Master.ts

@@ -91,6 +91,7 @@ export async function startMaster() {
 
   cluster.on("message", (worker, message) => {
     if (message.type === "WORKER_READY") {
+      // eslint-disable-next-line @typescript-eslint/no-unsafe-assignment
       const workerId = message.workerId;
       readyWorkers.add(workerId);
       log.info(
@@ -121,7 +122,7 @@ export async function startMaster() {
 
   // Handle worker crashes
   cluster.on("exit", (worker, code, signal) => {
-    // eslint-disable-next-line @typescript-eslint/no-explicit-any
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any, @typescript-eslint/no-unsafe-assignment
     const workerId = (worker as any).process?.env?.WORKER_ID;
     if (!workerId) {
       log.error(`worker crashed could not find id`);
@@ -135,6 +136,7 @@ export async function startMaster() {
 
     // Restart the worker with the same ID
     const newWorker = cluster.fork({
+      // eslint-disable-next-line @typescript-eslint/no-unsafe-assignment
       WORKER_ID: workerId,
     });