Bump setuptools from 42.0.2 to 45.0.0 (#437)

Bumps [setuptools](https://github.com/pypa/setuptools) from 42.0.2 to 45.0.0.
- [Release notes](https://github.com/pypa/setuptools/releases)
- [Changelog](https://github.com/pypa/setuptools/blob/master/CHANGES.rst)
- [Commits](pypa/setuptools@v42.0.2...v45.0.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

docker/build_scripts/requirements.txt

@@ -6,6 +6,6 @@ pip==19.3.1 \
 wheel==0.31.1 \
     --hash=sha256:80044e51ec5bbf6c894ba0bc48d26a8c20a9ba629f4ca19ea26ecfcf87685f5f \
     --hash=sha256:0a2e54558a0628f2145d2fc822137e322412115173e8a2ddbe1c9024338ae83c
-setuptools==42.0.2 \
-    --hash=sha256:c5b372090d7c8709ce79a6a66872a91e518f7d65af97fca78135e1cb10d4b940 \
-    --hash=sha256:c8abd0f3574bc23afd2f6fd2c415ba7d9e097c8a99b845473b0d957ba1e2dac6
+setuptools==45.0.0 \
+    --hash=sha256:001c474c175697a03e2afffd87d92411c89215be5f2cd3e0ab80a67726c0f4c2 \
+    --hash=sha256:c46d9c8f2289535457d36c676b541ca78f7dcb736b97d02f50d17f7f15b583cc