chore(deps): bump coverage from 5.1 to 5.2 (#7119)

Bumps [coverage](https://github.com/nedbat/coveragepy) from 5.1 to 5.2.
- [Release notes](https://github.com/nedbat/coveragepy/releases)
- [Changelog](https://github.com/nedbat/coveragepy/blob/master/CHANGES.rst)
- [Commits](nedbat/coveragepy@coverage-5.1...coverage-5.2)

Signed-off-by: dependabot-preview[bot] <[email protected]>

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>
Co-authored-by: Areeb Jamal <[email protected]>

requirements/tests.txt

@@ -1,6 +1,6 @@
 -r dev.txt
 
-coverage==5.1
+coverage==5.2
 dredd_hooks==0.2
 pytest==5.4.3
 pytest-cov==2.10.0