Bump exhale from 0.3.6 to 0.3.7

Bumps [exhale](https://github.com/svenevs/exhale) from 0.3.6 to 0.3.7.
- [Release notes](https://github.com/svenevs/exhale/releases)
- [Changelog](https://github.com/svenevs/exhale/blob/master/docs/changelog.rst)
- [Commits](svenevs/exhale@v0.3.6...v0.3.7)

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

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

docs/requirements.txt

@@ -1,6 +1,6 @@
 sphinx==4.5.0
 breathe==4.35.0
-exhale==0.3.6
+exhale==0.3.7
 furo==2022.9.29
 pydata-sphinx-theme==0.13.3
 numpydoc==1.5.0