Update Tesseract.js (#14708)

* [WiP] Update Tesseract.js

- Update Tesseract.js to 2.2.1
- Use versioned file names
- differentiate two progression states: preparing OCR and detecting picture

* Get rid of copy-webpack-plugin

package.json

@@ -84,7 +84,6 @@
     "blurhash": "^1.1.3",
     "classnames": "^2.2.5",
     "compression-webpack-plugin": "^5.0.1",
-    "copy-webpack-plugin": "^6.0.3",
     "cross-env": "^7.0.2",
     "css-loader": "^4.2.2",
     "cssnano": "^4.1.10",
@@ -159,7 +158,7 @@
     "stringz": "^2.1.0",
     "substring-trie": "^1.0.2",
     "terser-webpack-plugin": "^3.0.6",
-    "tesseract.js": "2.0.0-alpha.16",
+    "tesseract.js": "^2.1.1",
     "throng": "^4.0.0",
     "tiny-queue": "^0.2.1",
     "uuid": "^8.2.0",