Update wheel from 0.31.0 to 0.31.1

Author: pyup-bot

docker/build_scripts/requirements.txt

@@ -3,9 +3,9 @@
 pip==10.0.1 \
     --hash=sha256:717cdffb2833be8409433a93746744b59505f42146e8d37de6c62b430e25d6d7 \
     --hash=sha256:f2bd08e0cd1b06e10218feaf6fef299f473ba706582eb3bd9d52203fdbd7ee68
-wheel==0.31.0 \
-    --hash=sha256:9cdc8ab2cc9c3c2e2727a4b67c22881dbb0e1c503d592992594c5e131c867107 \
-    --hash=sha256:1ae8153bed701cb062913b72429bcf854ba824f973735427681882a688cb55ce
+wheel==0.31.1 \
+    --hash=sha256:80044e51ec5bbf6c894ba0bc48d26a8c20a9ba629f4ca19ea26ecfcf87685f5f \
+    --hash=sha256:0a2e54558a0628f2145d2fc822137e322412115173e8a2ddbe1c9024338ae83c
 setuptools==39.1.0 \
     --hash=sha256:0cb8b8625bfdcc2d43ea4b9cdba0b39b2b7befc04f3088897031082aa16ce186 \
     --hash=sha256:c5484e13b89927b44fd15897f7ce19dded8e7f035466a4fa7b946c0bdd86edd7