chore(main): release OpenFeature.Contrib.Providers.Flagsmith 0.1.8

[github-actions[bot]]

:robot: I have created a release beep boop

0.1.8 (2024-08-20)

🐛 Bug Fixes

• use the TargetingKey property in the Flagsmith provider (#227) (5e175c8)

🧹 Chore

• deps: update dependency flagsmith to v5.3.1 (#236) (d9a5110)
• deps: update dependency system.text.json to v8.0.4 [security] (#230) (fadc184)
• update OpenFeature version compatiblity (#249) (232e948)

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[github-actions[bot]]

:robot: Release is at https://github.com/open-feature/dotnet-sdk-contrib/releases/tag/OpenFeature.Contrib.Providers.Flagsmith-v0.1.8 :sunflower: