chore(deps): update dependency flatted to v3.4.4

Author: renovate[bot]

openapi-tools/package.json

@@ -4,7 +4,7 @@
   "description": "CVE overrides for OpenAPI npm CLIs installed via Containerfile. Tool versions come from manifest.yaml build args.",
   "overrides": {
     "brace-expansion": "5.0.8",
-    "flatted": "3.4.2",
+    "flatted": "3.4.4",
     "handlebars": "4.7.9",
     "js-yaml": "4.3.1",
     "lodash": "4.18.0",