fix: Upgrade flatted to ^3.4.2 to fix GHSA-rf6f-7fwh-wjgh (#1606)

* Upgrade flatted to ^3.4.2 to fix prototype pollution vulnerability (GHSA-rf6f-7fwh-wjgh)

Fixes #1604

https://claude.ai/code/session_013wvUrdCg1BZA1yKgsriN43

* upgrading typescript

* moving back to typescript 5

* concurrency fixes

* updating with faker for better tests

---------

Co-authored-by: Claude <noreply@anthropic.com>

Author: jaredwray

package.json

@@ -4,13 +4,15 @@
   "private": true,
   "description": "Cacheable Mono Repo",
   "scripts": {
-    "test": "pnpm -r --workspace-concurrency 1 test",
-    "test:ci": "pnpm -r --workspace-concurrency 1 test:ci",
+    "test": "pnpm -r test",
+    "test:list": "pnpm -r --workspace-concurrency 1 test",
+    "test:ci": "pnpm -r test:ci",
     "test:services:start": "docker compose up -d",
     "test:services:stop": "docker compose down",
     "website:build": "pnpm recursive --filter @cacheable/website run website:build",
     "website:serve": "pnpm recursive --filter @cacheable/website run website:serve",
-    "build": "pnpm recursive run build",
+    "build": "pnpm -r build",
+    "build:list": "pnpm recursive run build",
     "clean": "pnpm recursive run clean"
   },
   "keywords": [],

packages/flat-cache/package.json

@@ -71,7 +71,7 @@
 	},
 	"dependencies": {
 		"cacheable": "workspace:^",
-		"flatted": "^3.4.1",
+		"flatted": "^3.4.2",
 		"hookified": "^1.15.0"
 	},
 	"files": [