📦 Update core dependencies

Author: renovate[bot]

package-lock.json

@@ -22,7 +22,7 @@
     "@ampproject/worker-dom": "0.35.0",
     "@use-gesture/react": "10.2.10",
     "@webcomponents/webcomponentsjs": "2.6.0",
-    "date-fns": "2.27.0",
+    "date-fns": "4.1.0",
     "dompurify": "3.0.2",
     "google-closure-library": "20230802.0.0",
     "intersection-observer": "0.12.0",
@@ -31,7 +31,7 @@
     "moment": "2.29.4",
     "obj-str": "1.1.0",
     "preact": "10.16.0",
-    "react-day-picker": "8.0.0-beta.37",
+    "react-day-picker": "9.1.4",
     "react-jss": "10.8.2",
     "resize-observer-polyfill": "1.5.1",
     "rrule": "2.7.2",