Bump cdav-library from `37cfc37` to `e00ac83`

Bumps [cdav-library](https://github.com/nextcloud/cdav-library) from `37cfc37` to `e00ac83`.
- [Release notes](https://github.com/nextcloud/cdav-library/releases)
- [Commits](https://github.com/nextcloud/cdav-library/compare/37cfc379b050deff8cb15407d5652098c350bff0...e00ac83756f70d86acd075e418a3e0054ae31764

)

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