Bump syncfusion_flutter_charts from 25.2.7 to 26.1.38

Bumps [syncfusion_flutter_charts](https://github.com/syncfusion/flutter-widgets/tree/master/packages) from 25.2.7 to 26.1.38.
- [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_charts
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

pubspec.lock

@@ -1054,18 +1054,18 @@ packages:
     dependency: "direct main"
     description:
       name: syncfusion_flutter_charts
-      sha256: "8c57d2695b12babe4b5b33d896b03042239a08e6c14f44b185760a7462ad84dc"
+      sha256: "0d7fc75b27269674925732f95ad7cc055a39fa566b28598ce6b1e1cfcafa9faa"
       url: "https://pub.dev"
     source: hosted
-    version: "25.2.7"
+    version: "26.1.38"
   syncfusion_flutter_core:
     dependency: transitive
     description:
       name: syncfusion_flutter_core
-      sha256: e17dcc7a1d0701e84d0a83c0040503cdcc6c72e44db0d733ab4c706dd5b8b9f8
+      sha256: "2cd3a1c59bd9c2863eee96cc5400429ecc7b42cd1e7379f3eb5ccd9fc2e9306b"
       url: "https://pub.dev"
     source: hosted
-    version: "25.2.7"
+    version: "26.1.38"
   term_glyph:
     dependency: transitive
     description:

pubspec.yaml

@@ -58,7 +58,7 @@ dependencies:
   logging: ^1.0.2
   sticky_headers: ^0.3.0+2
   maps_launcher: ^2.2.1
-  syncfusion_flutter_charts: ^25.2.3+1
+  syncfusion_flutter_charts: ^26.1.38
   pretty_qr_code: ^3.3.0
   fluent_ui: ^4.8.6
   fluentui_system_icons: ^1.1.242