Apply critical dependency upgrades

fix PyYAML warnings in unit tests
update paramiko source file for license

awx/main/tests/unit/utils/test_common.py

@@ -59,7 +59,7 @@ class TestParserExceptions:
     @staticmethod
     def yaml_error(data):
         try:
-            yaml.load(data)
+            yaml.safe_load(data)
             return None
         except Exception as e:
             return str(e)