Change texts to fit Hub 1.3.0

[SailReal]

Please agree to the following

• I have searched existing issues for duplicates
• I agree to follow this project's Code of Conduct

Summary

Since Hub 1.3.0 we have user keys, see https://github.com/cryptomator/ios/blob/develop/SharedResources/en.lproj/Localizable.strings#L119 and https://github.com/cryptomator/ios/blob/develop/SharedResources/en.lproj/Localizable.strings#L125

System Setup

• ios: 2.6.0

Cloud Type

No response

Steps to Reproduce

• https://github.com/cryptomator/ios/blob/develop/SharedResources/en.lproj/Localizable.strings#L119
• https://github.com/cryptomator/ios/blob/develop/SharedResources/en.lproj/Localizable.strings#L125

Expected Behavior

Maybe change to

Your user has not yet been authorized to access this vault. Ask the vault owner to authorize it.

and remove your device needs to be authorized by the vault owner.

Actual Behavior

See above

Reproducibility

Always

Relevant Log Output

No response

Anything else?

No response