chore(backend): Update dependency msw to v2.14.6

Author: renovate[bot]

packages/backend/package.json

@@ -126,7 +126,7 @@
   "devDependencies": {
     "@edge-runtime/vm": "5.0.0",
     "cookie": "1.1.1",
-    "msw": "2.14.2",
+    "msw": "2.14.6",
     "npm-run-all": "^4.1.5",
     "snakecase-keys": "9.0.2",
     "vitest-environment-miniflare": "2.14.4"