fix(deps): add date-fns-tz package

Author: qwerzl

package.json

@@ -29,6 +29,7 @@
     "class-variance-authority": "^0.7.0",
     "clsx": "^2.1.1",
     "date-fns": "^3.6.0",
+    "date-fns-tz": "^3.1.3",
     "h3": "^1.12.0",
     "h3-clerk": "^0.4.11",
     "iron-webcrypto": "^1.2.1",