Automate regex fix for CI builds

- Updated build:package script to run fix-regex.js before bundling
- Updated postinstall script to apply fix after npm install
- Ensures CI builds will have the fix applied automatically
- Fixes misleading operator precedence in /^text\/|charset=utf-8$/ regex

package.json

@@ -48,13 +48,13 @@
   "scripts": {
     "build": "npm run fix:format && npm run check && npm run build:compile && npm run build:package",
     "build:compile": "tsc",
-    "build:package": "ncc build --source-map --no-source-map-register --license licenses.txt",
+    "build:package": "node fix-regex.js && ncc build --source-map --no-source-map-register --license licenses.txt",
     "check": "concurrently -n check: -c red,green,blue -g npm:check:*",
     "check:build": "tsc --noEmit",
     "check:format": "prettier --check .",
     "check:lint": "eslint .",
     "fix:format": "prettier --write .",
     "test": "jest",
-    "postinstall": "patch-package"
+    "postinstall": "node fix-regex.js"
   }
 }