@uppy/compressor: mark quality as optional

[aduh95]

There's a default quality of 0.6, it doesn't make sense to mark it as mandatory.

[github-actions]

Diff output files

diff --git a/packages/@uppy/compressor/lib/index.js b/packages/@uppy/compressor/lib/index.js
index 6387fdc..1328cc6 100644
--- a/packages/@uppy/compressor/lib/index.js
+++ b/packages/@uppy/compressor/lib/index.js
@@ -12,10 +12,17 @@ import getFileNameAndExtension from "@uppy/utils/lib/getFileNameAndExtension";
 import { RateLimitedQueue } from "@uppy/utils/lib/RateLimitedQueue";
 import CompressorJS from "compressorjs";
 import locale from "./locale.js";
+const defaultOptions = {
+  quality: 0.6,
+  limit: 10,
+};
 var _RateLimitedQueue = _classPrivateFieldLooseKey("RateLimitedQueue");
 export default class Compressor extends BasePlugin {
   constructor(uppy, opts) {
-    super(uppy, opts);
+    super(uppy, {
+      ...defaultOptions,
+      ...opts,
+    });
     Object.defineProperty(this, _RateLimitedQueue, {
       writable: true,
       value: void 0,
@@ -23,14 +30,6 @@ export default class Compressor extends BasePlugin {
     this.id = this.opts.id || "Compressor";
     this.type = "modifier";
     this.defaultLocale = locale;
-    const defaultOptions = {
-      quality: 0.6,
-      limit: 10,
-    };
-    this.opts = {
-      ...defaultOptions,
-      ...opts,
-    };
     _classPrivateFieldLooseBase(this, _RateLimitedQueue)[_RateLimitedQueue] = new RateLimitedQueue(this.opts.limit);
     this.i18nInit();
     this.prepareUpload = this.prepareUpload.bind(this);