build(deps-dev): bump msw in /build/frontend-legacy

Bumps [msw](https://github.com/mswjs/msw) from 2.12.6 to 2.12.7.
- [Release notes](https://github.com/mswjs/msw/releases)
- [Changelog](https://github.com/mswjs/msw/blob/main/CHANGELOG.md)
- [Commits](mswjs/msw@v2.12.6...v2.12.7)

---
updated-dependencies:
- dependency-name: msw
  dependency-version: 2.12.7
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

build/frontend-legacy/package-lock.json

@@ -124,7 +124,7 @@
     "file-loader": "^6.2.0",
     "handlebars-loader": "^1.7.3",
     "mime": "^4.1.0",
-    "msw": "^2.12.6",
+    "msw": "^2.12.7",
     "patch-package": "^8.0.1",
     "raw-loader": "^4.0.2",
     "regextras": "^0.8.0",