Add types for namespace-emitter (#6426)

These type definitions were added upstream in
DefinitelyTyped/DefinitelyTyped#75176.

Author: mifi

packages/@uppy/core/package.json

@@ -66,6 +66,7 @@
     "@types/google.accounts": "^0.0.14",
     "@types/google.picker": "^0.0.42",
     "@types/lodash": "^4.14.199",
+    "@types/namespace-emitter": "^2.0.0",
     "@types/node": "^20.19.0",
     "cssnano": "^8.0.1",
     "deep-freeze": "^0.0.1",

packages/@uppy/core/src/Uppy.ts

@@ -1,7 +1,6 @@
 /* global AggregateError */
 
 import throttle from 'lodash/throttle.js'
-// @ts-expect-error untyped
 import ee from 'namespace-emitter'
 import { nanoid } from 'nanoid/non-secure'
 import type { h } from 'preact'

yarn.lock

@@ -11448,6 +11448,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@types/namespace-emitter@npm:^2.0.0":
+  version: 2.0.0
+  resolution: "@types/namespace-emitter@npm:2.0.0"
+  checksum: 10/226c068a055128612f7b623b1fd91e3bb49c81d8988c3d65524a73c9c092515abd8e559734c5defd46cf56e17f97cc73d1d320ef77f0f816490681d76b4ef2b8
+  languageName: node
+  linkType: hard
+
 "@types/node-forge@npm:^1.3.0":
   version: 1.3.11
   resolution: "@types/node-forge@npm:1.3.11"
@@ -11977,6 +11984,7 @@ __metadata:
     "@types/google.accounts": "npm:^0.0.14"
     "@types/google.picker": "npm:^0.0.42"
     "@types/lodash": "npm:^4.14.199"
+    "@types/namespace-emitter": "npm:^2.0.0"
     "@types/node": "npm:^20.19.0"
     classnames: "npm:^2.5.1"
     cssnano: "npm:^8.0.1"