fix: pin bcrypt for failing tests (#81)

Author: Samk13

setup.cfg

@@ -33,7 +33,7 @@ install_requires =
 
 [options.extras_require]
 tests =
-    bcrypt>=3.1.0
+    bcrypt>=3.1.0,<5.0.0
     check-manifest>=0.42
     coverage>=5.3,<6
     Flask-Sphinx-Themes>=1.0.2