Bump to SpeziAccount 2.0 Beta 8 (#47)

# Bump to SpeziAccount 2.0 Beta 8


## ⚙️ Release Notes 
* Bump SpeziAccount version.

## 📝 Code of Conduct & Contributing Guidelines 

By submitting creating this pull request, you agree to follow our [Code
of
Conduct](https://github.com/StanfordSpezi/.github/blob/main/CODE_OF_CONDUCT.md)
and [Contributing
Guidelines](https://github.com/StanfordSpezi/.github/blob/main/CONTRIBUTING.md):
- [x] I agree to follow the [Code of
Conduct](https://github.com/StanfordSpezi/.github/blob/main/CODE_OF_CONDUCT.md)
and [Contributing
Guidelines](https://github.com/StanfordSpezi/.github/blob/main/CONTRIBUTING.md).

Package.swift

@@ -36,7 +36,7 @@ let package = Package(
         .package(url: "https://github.com/StanfordSpezi/SpeziFoundation", from: "2.0.0-beta.1"),
         .package(url: "https://github.com/StanfordSpezi/Spezi", from: "1.7.1"),
         .package(url: "https://github.com/StanfordSpezi/SpeziViews", from: "1.6.0"),
-        .package(url: "https://github.com/StanfordSpezi/SpeziAccount", exact: "2.0.0-beta.7"),
+        .package(url: "https://github.com/StanfordSpezi/SpeziAccount", exact: "2.0.0-beta.8"),
         .package(url: "https://github.com/firebase/firebase-ios-sdk", from: "11.0.0"),
         .package(url: "https://github.com/apple/swift-atomics.git", from: "1.2.0")
     ] + swiftLintPackage(),