Order code coverage dates oldest to newest / left to right

Summary

Dates on the Code Coverage graph are ordered with newest on the left, this is opposite of the rest of the graphs.

Steps to reproduce

1. Go to any project with code coverage captured in a job
2. Go to the code coverage graph (Analytics -> Repository)

Example Project

Any project on gitlab.com with code coverage data.

What is the current bug behavior?

The newest date is on the left.

What is the expected correct behavior?

Graph has dates with oldest on the left.

Relevant logs and/or screenshots

Output of checks

This bug happens on GitLab.com

Possible fixes

(If you can, link to the line of code that might be responsible for the problem)