Bump coverage from 7.5.1 to 7.5.2 in /requirements (#1346)

* Bump coverage from 7.5.1 to 7.5.2 in /requirements

Bumps [coverage](https://github.com/nedbat/coveragepy) from 7.5.1 to 7.5.2.
- [Release notes](https://github.com/nedbat/coveragepy/releases)
- [Changelog](https://github.com/nedbat/coveragepy/blob/master/CHANGES.rst)
- [Commits](coveragepy/coveragepy@7.5.1...7.5.2)

---
updated-dependencies:
- dependency-name: coverage
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

* Fixed too short version title underline in CHANGES

...causing the release build to fail; see
https://github.com/jazzband/django-simple-history/actions/runs/9244139646/job/25429085689

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Anders <6058745+ddabble@users.noreply.github.com>

Author: dependabot[bot]

CHANGES.rst

@@ -6,7 +6,7 @@ Unreleased
 
 
 3.6.0 (2024-05-26)
-----------
+------------------
 
 - Support custom History ``Manager`` and ``QuerySet`` classes (gh-1280)
 - Renamed the (previously internal) admin template

requirements/coverage.txt

@@ -1,2 +1,2 @@
-coverage==7.5.1
+coverage==7.5.2
 toml==0.10.2