chore: update dependency mem-fs to ^4.1.4

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

package-lock.json

@@ -93,7 +93,7 @@
     "@types/yeoman-generator": "^5.2.14",
     "loopback": "^3.28.0",
     "loopback-datasource-juggler": "^6.0.4",
-    "mem-fs": "^4.0.0",
+    "mem-fs": "^4.1.4",
     "mem-fs-editor": "^12.0.3",
     "mock-stdin": "^1.0.0",
     "rimraf": "^5.0.10",