Bump cryptography from 2.7 to 3.2

requirements.txt

@@ -4,20 +4,19 @@
 #
 #    pip-compile
 #
-aiodns==2.0.0
-aiohttp==3.5.4
-asn1crypto==0.24.0        # via cryptography
+aiodns==2.0.0             # via -r requirements.in
+aiohttp==3.5.4            # via -r requirements.in
 async-timeout==3.0.1      # via aiohttp
 attrs==19.1.0             # via aiohttp
-cchardet==2.1.4
+cchardet==2.1.4           # via -r requirements.in
 cffi==1.12.3              # via cryptography, pycares
 chardet==3.0.4            # via aiohttp
-cryptography==2.7
+cryptography==3.2         # via -r requirements.in
 idna==2.8                 # via yarl
 multidict==4.5.2          # via aiohttp, yarl
-prometheus-client==0.7.0
+prometheus-client==0.7.0  # via -r requirements.in
 pycares==3.0.0            # via aiodns
 pycparser==2.19           # via cffi
-pyjwt==1.7.1
+pyjwt==1.7.1              # via -r requirements.in
 six==1.12.0               # via cryptography
 yarl==1.3.0               # via aiohttp