chore(deps): bump the patch-updates group across 1 directory with 5 updates (#111)

Bumps the patch-updates group with 5 updates in the / directory:

| Package | From | To |
| --- | --- | --- |
| [react](https://github.com/facebook/react/tree/HEAD/packages/react) | `19.2.4` | `19.2.6` |
| [@types/react](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/react) | `19.2.14` | `19.2.15` |
| [react-dom](https://github.com/facebook/react/tree/HEAD/packages/react-dom) | `19.2.4` | `19.2.6` |
| [react-qr-code](https://github.com/rosskhanas/react-qr-code) | `2.0.18` | `2.0.21` |
| [postcss](https://github.com/postcss/postcss) | `8.5.6` | `8.5.15` |



Updates `react` from 19.2.4 to 19.2.6
- [Release notes](https://github.com/facebook/react/releases)
- [Changelog](https://github.com/facebook/react/blob/main/CHANGELOG.md)
- [Commits](https://github.com/facebook/react/commits/v19.2.6/packages/react)

Updates `@types/react` from 19.2.14 to 19.2.15
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/react)

Updates `react-dom` from 19.2.4 to 19.2.6
- [Release notes](https://github.com/facebook/react/releases)
- [Changelog](https://github.com/facebook/react/blob/main/CHANGELOG.md)
- [Commits](https://github.com/facebook/react/commits/v19.2.6/packages/react-dom)

Updates `react-qr-code` from 2.0.18 to 2.0.21
- [Release notes](https://github.com/rosskhanas/react-qr-code/releases)
- [Changelog](https://github.com/rosskhanas/react-qr-code/blob/master/CHANGELOG.md)
- [Commits](rosskhanas/react-qr-code@2.0.18...2.0.21)

Updates `@types/react` from 19.2.14 to 19.2.15
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/react)

Updates `postcss` from 8.5.6 to 8.5.15
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](postcss/postcss@8.5.6...8.5.15)

---
updated-dependencies:
- dependency-name: react
  dependency-version: 19.2.6
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: patch-updates
- dependency-name: "@types/react"
  dependency-version: 19.2.15
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: patch-updates
- dependency-name: react-dom
  dependency-version: 19.2.6
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: patch-updates
- dependency-name: react-qr-code
  dependency-version: 2.0.21
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: patch-updates
- dependency-name: "@types/react"
  dependency-version: 19.2.15
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: patch-updates
- dependency-name: postcss
  dependency-version: 8.5.15
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: patch-updates
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

app/package.json

@@ -23,19 +23,19 @@
     "lucide-react": "^0.562.0",
     "next": "16.1.6",
     "prism-react-renderer": "^2.4.1",
-    "react": "19.2.4",
-    "react-dom": "19.2.4",
-    "react-qr-code": "^2.0.18",
+    "react": "19.2.6",
+    "react-dom": "19.2.6",
+    "react-qr-code": "^2.0.21",
     "sonner": "^2.0.7",
     "tailwind-merge": "^3.4.0",
     "tailwindcss-animate": "^1.0.7"
   },
   "devDependencies": {
     "@tailwindcss/postcss": "^4.1.18",
     "@types/node": "^22.19.3",
-    "@types/react": "19.2.14",
+    "@types/react": "19.2.15",
     "@types/react-dom": "19.2.3",
-    "postcss": "^8.5.6",
+    "postcss": "^8.5.15",
     "tailwindcss": "^4.1.18",
     "typescript": "^5.9.3"
   }