chore(deps): bump shared_preferences from 2.2.3 to 2.3.1 in /frontend

[dependabot[bot]]

Bumps shared_preferences from 2.2.3 to 2.3.1.

Commits

• 897f329 [shared_preferences] fix stringlist bug (#7268)
• 644000b [shared_preferences] full api redesign with DataStore and cache-less interfac...
• 315ed8a [shared_preferences] Platform implementations of async api (#6965)
• 3d358d9 [many] Ignore NewerVersionAvailable in android lint (#7218)
• b04ff46 [shared_preferences] Platform interface for new shared preferences async (#6962)
• df420f6 Modernize all index.html files to support WASM (#7114)
• 71b2f68 [various] Update flutter.dev links to more reliable destinations (#6963)
• 4a178f1 Disable sandboxing directly for macOS tests (#6880)
• b16a7e3 [many] Remove references to v1 embedding (#6494)
• 5cc71d0 Update Flutter wiki links (#6789)
• Additional commits viewable in compare view

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