Implement new ClientBuilder pattern for login

[Anderas]

After making changes to the Rust FFI adopt the new style of login: first create a configure ClientBuilder, then build Client, finally login.

Additionally pin the version of Rust SDK

[github-actions]

	Warnings
⚠️	Some of the commits are missing ticket numbers. Please consinder using them for better tracking.

Generated by 🚫 Danger Swift against 5ca8fea

[sonarcloud]

Kudos, SonarCloud Quality Gate passed!   

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[github-actions]

Changes in 120 (2022-06-29)

✨ Features

• Implement rageshake service. (#23)
• Add filtering for rooms by name. (#26)
• Settings screen minimal implementation. (#37)
• DesignKit: Add initial implementation of DesignKit to the repo as a Swift package. (#43)
• Room timeline: Add plain styler and add timeline option in settings screen. (#92)
• Implement and use background tasks. (#99)

🙌 Improvements

• Implement new ClientBuilder pattern for login (#120)
• Room: Use bubbles in the timeline. (#34)
• Room: Add header view containing room avatar and encryption badge. (#35)
• Add a the splash screen and login screen from Element iOS along with a UserSessionStore. (#40)
• DesignKit: Add DesignKit to the ElementX project, style the login screen with it and tint the whole app. (#43)
• Settings: Auto dismiss bug report screen and show a success indicator when bug report completed. (#76)
• Bug report: Add GH labels. (#77)
• Danger: Add a check for png files and warn to use SVG and PDF files. (#87)
• Add localizations to UI tests target and add some checks. (#101)

🐛 Bugfixes

• ElementInfoPlist: Use custom template for Info.plist. (#71)

🧱 Build

• Use v0.0.1 of the DesignTokens package. (#78)
• Update to v0.0.2 of the DesignTokens package. (#90)
• Fix Danger's changelog detection. (#74)

Others

• Fix project urls in Towncrier configuration. (#96)

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