Bump dev (w/ eslint 8) (#4070)

* Bump dev (w/ eslint 8)

* Additional linting

* Additional

* More lint fixes

* Last batch

* Additional

* Cleanups

packages/rpc-core/src/util/memo.ts

@@ -10,18 +10,19 @@ import { memoize } from '@polkadot/util';
 
 import { drr } from './drr';
 
-type ObsFn <T> = (...params: any[]) => Observable<T>;
+type ObsFn <T> = (...params: unknown[]) => Observable<T>;
 
 // Wraps a derive, doing 2 things to optimize calls -
 //   1. creates a memo of the inner fn -> Observable, removing when unsubscribed
 //   2. wraps the observable in a drr() (which includes an unsub delay)
 /** @internal */
-export function memo <T> (instanceId: string, inner: ObsFn<T>): Memoized<ObsFn<T>> {
+// eslint-disable-next-line @typescript-eslint/ban-types
+export function memo <T> (instanceId: string, inner: Function): Memoized<ObsFn<T>> {
   const options = { getInstanceId: () => instanceId };
   const cached = memoize(
-    (...params: any[]): Observable<T> =>
+    (...params: unknown[]): Observable<T> =>
       new Observable((observer: Observer<T>): TeardownLogic => {
-        const subscription = inner(...params).subscribe(observer);
+        const subscription = (inner as ObsFn<T>)(...params).subscribe(observer);
 
         return (): void => {
           cached.unmemoize(...params);