build(deps): bump @snowplow/browser-tracker from 4.2.0 to 4.3.1 (#322)

Bumps [@snowplow/browser-tracker](https://github.com/snowplow/snowplow-javascript-tracker) from 4.2.0 to 4.3.1.
- [Release notes](https://github.com/snowplow/snowplow-javascript-tracker/releases)
- [Commits](https://github.com/snowplow/snowplow-javascript-tracker/compare/@snowplow/browser-tracker_v4.2.0...@snowplow/browser-tracker_v4.3.1)

---
updated-dependencies:
- dependency-name: "@snowplow/browser-tracker"
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Mirjam Aulbach <[email protected]>

Author: dependabot[bot]

package.json

@@ -42,7 +42,7 @@
     "@docusaurus/core": "3.7.0",
     "@docusaurus/preset-classic": "3.7.0",
     "@mdx-js/react": "^3.1.0",
-    "@snowplow/browser-tracker": "^4.2.0",
+    "@snowplow/browser-tracker": "^4.3.1",
     "clsx": "^2.1.1",
     "prism-react-renderer": "^2.4.1",
     "react": "^18.3.1",