fix: remove all linter errors

lib/promise.ts

@@ -1,10 +1,10 @@
 /**
  * Interface zur Beschreibung eines eingereihten Promises in der `PromiseQueue`.
  */
-interface QueuedPromise<T = any> {
+interface QueuedPromise<T = unknown> {
   promise: () => Promise<T>;
-  resolve: (value: T) => void;
-  reject: (reason?: any) => void;
+  resolve: (value: T | PromiseLike<T>) => void;
+  reject: (reason?: unknown) => void;
 }
 
 /**
@@ -18,7 +18,7 @@ export class PromiseQueue {
   /**
    * Eingereihte Promises.
    */
-  private queue: QueuedPromise[] = [];
+  private queue: QueuedPromise<unknown>[] = [];
 
   /**
    * Indikator, dass aktuell ein Promise abgearbeitet wird.
@@ -36,7 +36,7 @@ export class PromiseQueue {
     return new Promise((resolve, reject) => {
       this.queue.push({
         promise,
-        resolve,
+        resolve: resolve as (value: unknown) => void,
         reject,
       });
       this.dequeue();