Merge pull request #4362 from mozilla/pyup-update-pycparser-2.16-to-2.17

Update pycparser to 2.17

requirements/prod.txt

@@ -291,8 +291,8 @@ pyasn1==0.1.9 \
     --hash=sha256:28fee44217991cfad9e6a0b9f7e3f26041e21ebc96629e94e585ccd05d49fa65 \
     --hash=sha256:853cacd96d1f701ddd67aa03ecc05f51890135b7262e922710112f12a2ed2a7f
 # pycparser is required by cffi
-pycparser==2.16 \
-    --hash=sha256:108f9ff23869ae2f8b38e481e7b4b4d4de1e32be968f29bbe303d629c34a6260
+pycparser==2.17 \
+    --hash=sha256:0aac31e917c24cb3357f5a4d5566f2cc91a19ca41862f6c3c22dc60a629673b6
 pyquery==1.2.17 \
     --hash=sha256:554335a65570b4871051320a30919836f7548dbb2f2616d6e1f7c3f887096ef3 \
     --hash=sha256:6aa0133b30d9a0229ad65d3a7708c4e853bf46808fb359d06ca56f5039102af6