Bump fluentui_system_icons in /simplistic_calculator (#1068)

Bumps [fluentui_system_icons](https://github.com/microsoft/fluentui-system-icons) from 1.1.163 to 1.1.165.
- [Release notes](https://github.com/microsoft/fluentui-system-icons/releases)
- [Commits](https://github.com/microsoft/fluentui-system-icons/commits)

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

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

simplistic_calculator/pubspec.lock

@@ -77,7 +77,7 @@ packages:
       name: fluentui_system_icons
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.163"
+    version: "1.1.165"
   flutter:
     dependency: "direct main"
     description: flutter