chore(deps): update dependency browser-sync to v2.29.3 (#331)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [browser-sync](https://browsersync.io/)
([source](https://togithub.com/BrowserSync/browser-sync)) | [`2.29.1` ->
`2.29.3`](https://renovatebot.com/diffs/npm/browser-sync/2.29.1/2.29.3)
|
[![age](https://badges.renovateapi.com/packages/npm/browser-sync/2.29.3/age-slim)](https://docs.renovatebot.com/merge-confidence/)
|
[![adoption](https://badges.renovateapi.com/packages/npm/browser-sync/2.29.3/adoption-slim)](https://docs.renovatebot.com/merge-confidence/)
|
[![passing](https://badges.renovateapi.com/packages/npm/browser-sync/2.29.3/compatibility-slim/2.29.1)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://badges.renovateapi.com/packages/npm/browser-sync/2.29.3/confidence-slim/2.29.1)](https://docs.renovatebot.com/merge-confidence/)
|

---

### Release Notes

<details>
<summary>BrowserSync/browser-sync</summary>

###
[`v2.29.3`](https://togithub.com/BrowserSync/browser-sync/releases/tag/v2.29.3):
The one that fixes snippetOptions

[Compare
Source](https://togithub.com/BrowserSync/browser-sync/compare/v2.29.2...v2.29.3)

#### What's Changed

- fix: append to head if body not present yet - fixes
[#&#8203;2031](https://togithub.com/BrowserSync/browser-sync/issues/2031)
by [@&#8203;shakyShane](https://togithub.com/shakyShane) in
[BrowserSync/browser-sync#2041

**Full Changelog**:
BrowserSync/browser-sync@v2.29.2...v2.29.3

###
[`v2.29.2`](https://togithub.com/BrowserSync/browser-sync/compare/v2.29.1...v2.29.2)

[Compare
Source](https://togithub.com/BrowserSync/browser-sync/compare/v2.29.1...v2.29.2)

</details>

---

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package.json

@@ -34,7 +34,7 @@
   },
   "devDependencies": {
     "@edx/eslint-config": "^3.1.1",
-    "browser-sync": "2.29.1",
+    "browser-sync": "2.29.3",
     "css-loader": "^6.0.0",
     "del": "2.2.2",
     "edx-pattern-library": "0.12.5",