Updated the files.

my-app/node_modules/@babel/plugin-proposal-private-property-in-object/LICENSE

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+MIT License
+
+Copyright (c) 2014-present Sebastian McKenzie and other contributors
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

my-app/node_modules/@babel/plugin-proposal-private-property-in-object/README.md

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+# @babel/plugin-proposal-private-property-in-object
+
+> ⚠️ This version of the package (`v7.21.0-placeholder-for-preset-env.1`) is not meant to
+> be imported. Use any other version of this plugin or, even better, the
+> [@babel/plugin-transform-private-property-in-object](https://babeljs.io/docs/en/babel-plugin-transform-private-property-in-object) package.
+
+> This plugin transforms checks for a private property in an object
+
+See our website [@babel/plugin-proposal-private-property-in-object](https://babeljs.io/docs/en/babel-plugin-proposal-private-property-in-object) for more information.
+
+## Install
+
+Using npm:
+
+```sh
+npm install --save-dev @babel/plugin-proposal-private-property-in-object
+```
+
+or using yarn:
+
+```sh
+yarn add @babel/plugin-proposal-private-property-in-object --dev
+```

my-app/node_modules/@babel/plugin-proposal-private-property-in-object/lib/index.js

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+maybeWarn: try {
+  var stackTraceLimit = Error.stackTraceLimit;
+  Error.stackTraceLimit = Infinity;
+  var stack = new Error().stack;
+  Error.stackTraceLimit = stackTraceLimit;
+  if (!stack.includes("babel-preset-react-app")) break maybeWarn;
+
+  // Try this as a fallback, in case it's available in node_modules
+  module.exports = require("@babel/plugin-transform-private-property-in-object");
+
+  setTimeout(console.warn, 2500, `\
+\x1B[0;33mOne of your dependencies, babel-preset-react-app, is importing the
+"@babel/plugin-proposal-private-property-in-object" package without
+declaring it in its dependencies. This is currently working because
+"@babel/plugin-proposal-private-property-in-object" is already in your
+node_modules folder for unrelated reasons, but it \x1B[1mmay break at any time\x1B[0;33m.
+
+babel-preset-react-app is part of the create-react-app project, \x1B[1mwhich
+is not maintianed anymore\x1B[0;33m. It is thus unlikely that this bug will
+ever be fixed. Add "@babel/plugin-proposal-private-property-in-object" to
+your devDependencies to work around this error. This will make this message
+go away.\x1B[0m
+  `);
+
+  return;
+} catch (e) {}
+
+throw new Error(`\
+--- PLACEHOLDER PACKAGE ---
+This @babel/plugin-proposal-private-property-in-object version is not meant to
+be imported. Something is importing
+@babel/plugin-proposal-private-property-in-object without declaring it in its
+dependencies (or devDependencies) in the package.json file.
+Add "@babel/plugin-proposal-private-property-in-object" to your devDependencies
+to work around this error. This will make this message go away.
+`);

my-app/node_modules/@babel/plugin-proposal-private-property-in-object/package.json

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+{
+  "name": "@babel/plugin-proposal-private-property-in-object",
+  "version": "7.21.0-placeholder-for-preset-env.2",
+  "description": "This plugin transforms checks for a private property in an object",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/babel/babel-plugin-proposal-private-property-in-object.git"
+  },
+  "homepage": "https://babel.dev/docs/en/next/babel-plugin-proposal-private-property-in-object",
+  "license": "MIT",
+  "publishConfig": {
+    "access": "public"
+  },
+  "main": "./lib/index.js",
+  "keywords": [
+    "babel-plugin"
+  ],
+  "peerDependencies": {
+    "@babel/core": "^7.0.0-0"
+  },
+  "devDependencies": {},
+  "engines": {
+    "node": ">=6.9.0"
+  },
+  "author": "The Babel Team (https://babel.dev/team)",
+  "type": "commonjs"
+}