Bump cryptography from 42.0.8 to 46.0.0 in /backend (#918)

Author: dependabot[bot]

backend/poetry.lock

@@ -18,7 +18,7 @@ requests                = "~2.32.5"
 responses               = "~0.25.7"
 pydantic                = "~1.10.13"
 pyjwt                   = "~2.10.1"
-cryptography            = "~42.0.4"
+cryptography            = "~46.0.0"
 cffi                    = "~1.17.1"
 jsonpath-ng             = "^1.6.0"
 simplejson              = "^3.20.2"