Bump flutter_layout_grid from 1.0.6 to 2.0.0 in /simplistic_calculator (#1086)

Bumps [flutter_layout_grid](https://github.com/shyndman/flutter_layout_grid) from 1.0.6 to 2.0.0.
- [Release notes](https://github.com/shyndman/flutter_layout_grid/releases)
- [Changelog](https://github.com/shyndman/flutter_layout_grid/blob/main/CHANGELOG.md)
- [Commits](https://github.com/shyndman/flutter_layout_grid/compare/v1.0.6...v2.0.0)

---
updated-dependencies:
- dependency-name: flutter_layout_grid
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

simplistic_calculator/pubspec.lock

@@ -89,7 +89,7 @@ packages:
       name: flutter_layout_grid
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.6"
+    version: "2.0.0"
   flutter_lints:
     dependency: "direct dev"
     description:

simplistic_calculator/pubspec.yaml

@@ -13,7 +13,7 @@ dependencies:
   fluentui_system_icons: ^1.1.161
   flutter:
     sdk: flutter
-  flutter_layout_grid: ^1.0.3
+  flutter_layout_grid: ">=1.0.3 <3.0.0"
   flutter_riverpod: ^1.0.3
   math_expressions: ^2.3.0
   window_size: