Update pip from 9.0.3 to 10.0.0

Author: pyup-bot

docker/build_scripts/requirements.txt

@@ -1,8 +1,8 @@
 # pip requirements for all cpythons
 # NOTE: pip has GPG signatures; could download and verify independently.
-pip==9.0.3 \
-    --hash=sha256:c3ede34530e0e0b2381e7363aded78e0c33291654937e7373032fda04e8803e5 \
-    --hash=sha256:7bf48f9a693be1d58f49f7af7e0ae9fe29fd671cde8a55e6edca3581c4ef5796
+pip==10.0.0 \
+    --hash=sha256:86a60a96d85e329962a9e6f6af612cbc11106293dbc83f119802b5bee9874cf3 \
+    --hash=sha256:f05a3eeea64bce94e85cc6671d679473d66288a4d37c3fcf983584954096b34f
 wheel==0.30.0 \
     --hash=sha256:e721e53864f084f956f40f96124a74da0631ac13fbbd1ba99e8e2b5e9cafdf64 \
     --hash=sha256:9515fe0a94e823fd90b08d22de45d7bde57c90edce705b22f5e1ecf7e1b653c8