Merge pull request #1280 from theupdateframework/dependabot/pip/cffi-1.14.5

Bump cffi from 1.14.4 to 1.14.5

Author: joshuagl

requirements-pinned.txt

@@ -1,5 +1,5 @@
 certifi==2020.12.5        # via requests
-cffi==1.14.4              # via cryptography, pynacl
+cffi==1.14.5              # via cryptography, pynacl
 chardet==4.0.0            # via requests
 cryptography==3.4.5       ; python_version >= '3' # via securesystemslib
 cryptography==3.3.2       ; python_version < '3' # via securesystemslib