Check for new versions is broken 🐛

```
Traceback (most recent call last):
File "pyut/ui/menuhandlers/HelpMenuHandler.pyc", line 54, in onHelpVersion
File "pyut/general/GitHubAdapter.pyc", line 12, in
File "github/__init__.pyc", line 53, in
File "github/Auth.pyc", line 40, in
File "github/InstallationAuthorization.pyc", line 46, in
File "github/NamedUser.pyc", line 61, in
File "github/Event.pyc", line 47, in
File "github/Organization.pyc", line 94, in
File "github/OrganizationDependabotAlert.pyc", line 31, in
File "github/Repository.pyc", line 183, in
File "github/Environment.pyc", line 51, in
File "github/PublicKey.pyc", line 47, in
File "nacl/public.pyc", line 16, in
File "nacl/bindings/__init__.pyc", line 16, in
File "nacl/bindings/crypto_aead.pyc", line 17, in
File "nacl/_sodium.pyc", line 16, in
File "nacl/_sodium.pyc", line 12, in __load
ModuleNotFoundError: No module named '_cffi_backend'
```