Change the Spezi icon in Onboarding to a star #7

Job	Run time
Markdown Link Check / Check Links	20s
Periphery / Periphery	4m 40s
REUSE Compliance Check / REUSE Compliance Check	7s
CodeQL / Test using xcodebuild or run fastlane	43m 37s
SwiftLint / SwiftLint	10s
	48m 54s

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