Update cryptography (#82)

Author: dragomirp

charmcraft.yaml

@@ -17,5 +17,4 @@ parts:
       - rustc
       - cargo
     charm-binary-python-packages:
-      - jsonschema
-      - psycopg2-binary==2.9.3
+      - psycopg2-binary==2.9.5

poetry.lock

@@ -14,11 +14,12 @@ repository = "https://github.com/canonical/postgresql-operator"
 [tool.poetry.dependencies]
 python = "^3.8.10"
 ops = "^2.0"
-cryptography = "37.0.4"
-boto3 = "^1.26.87"
+cryptography = "^39.0.2"
+boto3 = "^1.26.91"
 pgconnstr = "^1.0.1"
 requests = "^2.28.2"
 tenacity = "^8.2.2"
+pyOpenSSL = "^23.0.0"
 # psycopg2 = "^2.9.5" # Injected in charmcraft.yaml
 
 [tool.poetry.group.format]