Bump coverage from 7.2.5 to 7.2.6

Bumps [coverage](https://github.com/nedbat/coveragepy) from 7.2.5 to 7.2.6.
- [Release notes](https://github.com/nedbat/coveragepy/releases)
- [Changelog](https://github.com/nedbat/coveragepy/blob/master/CHANGES.rst)
- [Commits](nedbat/coveragepy@7.2.5...7.2.6)

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

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

setup.py

@@ -6,7 +6,7 @@
     "tests": [
         "pytest==7.3.1",
         "pytest-cov==4.1.0",
-        "coverage==7.2.5",
+        "coverage==7.2.6",
         "werkzeug==2.3.4",
         "flask==2.3.2",
         "marshmallow==3.19.0",