fix: cryptography issue

requirements.txt

@@ -8,5 +8,5 @@ cosl
 ops > 2.5.0
 pydantic < 2
 requests
-cryptography
+cryptography == 42.0.1 # Pin prevents an error in the wheels due to crypto package moving to openssl 3.2.1
 jsonschema < 4  # Pin prevents the machine charm error "ModuleNotFoundError: No module named 'rpds.rpds'"