Bump syncfusion_flutter_datepicker from 23.1.39 to 23.1.40

Bumps [syncfusion_flutter_datepicker](https://github.com/syncfusion/flutter-widgets/tree/master/packages) from 23.1.39 to 23.1.40.
- [Release notes](https://github.com/syncfusion/flutter-widgets/releases)
- [Commits](https://github.com/syncfusion/flutter-widgets/commits/HEAD/packages)

---
updated-dependencies:
- dependency-name: syncfusion_flutter_datepicker
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

pubspec.lock

@@ -1590,18 +1590,18 @@ packages:
     dependency: transitive
     description:
       name: syncfusion_flutter_core
-      sha256: "505a07deaeb326ae9af5ee4e50937b7563cbb639982e760c26f3511b4fa535d5"
+      sha256: "164a66d2a7fa9972e2a4767fbbf9f42f9fab3fd3c4149a6db72f846d85686f86"
       url: "https://pub.dev"
     source: hosted
-    version: "23.1.39"
+    version: "23.1.40"
   syncfusion_flutter_datepicker:
     dependency: "direct main"
     description:
       name: syncfusion_flutter_datepicker
-      sha256: a706c0ea4fbe6ce1c6a63f11d048bddd4c6fa96164bb9baf9fd45aa4f328899f
+      sha256: "0331e99f667f2e1bfdd006c77b5fde131081c28e9c5094fce0ba16e2d9545c24"
       url: "https://pub.dev"
     source: hosted
-    version: "23.1.39"
+    version: "23.1.40"
   synchronized:
     dependency: transitive
     description:

pubspec.yaml

@@ -75,7 +75,7 @@ dependencies:
   shimmer: ^3.0.0
   social_share: ^2.2.1
   syncfusion_flutter_calendar: 23.1.39
-  syncfusion_flutter_datepicker: 23.1.39
+  syncfusion_flutter_datepicker: 23.1.40
   timelines: ^0.1.0
   tutorial_coach_mark: ^1.2.9
   uni_links: ^0.5.1