Update pip-tools to 1.10.0 - #896

There's a new version of pip-tools available.
You are currently using 1.9.0. I have updated it to 1.10.0

These links might come in handy: PyPI | Changelog

Changelog

1.10.0

Features:

• --generate-hashes now generates hashes for all wheels,
  not only wheels for the currently running platform (520). Thanks jdufresne
• Added a -q/--quiet argument to the pip-sync command to reduce log output.

Bug Fixes:

• Fixed bug where unsafe packages would get pinned in generated requirements files
  when --allow-unsafe was not set. (517). Thanks dschaller
• Fixed bug where editable PyPI dependencies would have a download_dir and be exposed to git-checkout-index,
  (thus losing their VCS directory) and python setup.py egg_info fails. (385 and 538). Thanks blueyed and dfee
• Fixed bug where some primary dependencies were annotated with "via" info comments. (542). Thanks quantus
• Fixed bug where pkg-resources would be removed by pip-sync in Ubuntu. (555). Thanks cemsbr
• Fixed bug where the resolver would sometime not stabilize on requirements specifying extras. (566). Thanks vphilippon
• Fixed an unicode encoding error when distribution package contains non-ASCII file names (567). Thanks suutari
• Fixed package hashing doing unnecessary unpacking

Got merge conflicts? Close this PR and delete the branch. I'll create a new PR for you.

Happy merging! 🤖