Bump deps w/ eslint (#2302)

* Bump deps w/ eslint

* Additional cleanups

* Additional

* @polkadot/types done

* Additional

* @polkadot/typegen done

* Additional

* @polkadot/rpc-core done

* Additional

* Additional

* Additional

* docs

* @polkadot/api-derive done

* @polkadot/api done

* @polkadot/api-contracts done

* Update tests

packages/metadata/src/Metadata/MagicNumber.ts

@@ -2,7 +2,7 @@
 // This software may be modified and distributed under the terms
 // of the Apache-2.0 license. See the LICENSE file for details.
 
-import { Registry } from '@polkadot/types/types';
+import { AnyNumber, Registry } from '@polkadot/types/types';
 
 import { assert } from '@polkadot/util';
 
@@ -11,7 +11,7 @@ import U32 from '@polkadot/types/primitive/U32';
 export const MAGIC_NUMBER = 0x6174656d; // `meta`, reversed for Little Endian encoding
 
 export default class MagicNumber extends U32 {
-  constructor (registry: Registry, value?: any) {
+  constructor (registry: Registry, value?: AnyNumber) {
     super(registry, value);
 
     if (!this.isEmpty) {