Limit fido2 to exclude version 2.x in optional dependencies for now

Author: ronf

pyproject.toml

@@ -35,7 +35,7 @@ dynamic = ['version']
 
 [project.optional-dependencies]
 bcrypt    = ['bcrypt >= 3.1.3']
-fido2     = ['fido2 >= 0.9.2']
+fido2     = ['fido2 >= 0.9.2, < 2']
 gssapi    = ['gssapi >= 1.2.0']
 libnacl   = ['libnacl >= 1.4.2']
 pkcs11    = ['python-pkcs11 >= 0.7.0']