patch(evervault-python): widen cryptography dependency version constraint

to allow version 50.x. The changelog for the `cryptography` library can be found at
https://cryptography.io/en/stable/changelog/#v50-0-0

Author: marsavar

.changeset/pretty-mangos-itch.md

@@ -0,0 +1,5 @@
+---
+"evervault-python": patch
+---
+
+Widen cryptography dependency version constraint to allow 50.x.

poetry.lock

@@ -11,7 +11,7 @@ repository = "https://github.com/evervault/evervault-python"
 [tool.poetry.dependencies]
 python = "^3.10.0"
 requests = "^2.32.4"
-cryptography = ">=46.0.6,<50"
+cryptography = ">=46.0.6,<51"
 certifi = "*"
 pycryptodome = "^3.10.1"
 pyasn1 = "^0.6.4"