style: pre-commit fixes

Author: pre-commit-ci[bot]

docs/pages/guides/coverage.md

@@ -193,7 +193,6 @@ def tests(session: nox.Session) -> None:
 
 {% endtab %} {% endtabs %}
 
-
 #### Merging and reporting
 
 If you are running in multiple jobs, you should use upload/download artifacts so
@@ -214,7 +213,6 @@ def coverage(session: nox.Session) -> None:
     session.run("coverage", "erase")
 ```
 
-
 #### Configuring Codecov and uploading coverage reports
 
 Interestingly, `Codecov` does not require any initial configurations for your
@@ -277,7 +275,6 @@ coverage, then you can remove the coverage failure settings, as you want any
 loss of coverage to fail. See the
 [docs](https://docs.codecov.com/docs/codecov-yaml) for all the options.
 
-
 <!-- ### Coverage for projects written in Python and C++
 
 TODO -->