requirements: update sphinxcontrib-devhelp requirement

Updates the requirements on [sphinxcontrib-devhelp](https://github.com/sphinx-doc/sphinxcontrib-devhelp) to permit the latest version.
- [Release notes](https://github.com/sphinx-doc/sphinxcontrib-devhelp/releases)
- [Changelog](https://github.com/sphinx-doc/sphinxcontrib-devhelp/blob/master/CHANGES.rst)
- [Commits](sphinx-doc/sphinxcontrib-devhelp@1.0.0...2.0.0)

---
updated-dependencies:
- dependency-name: sphinxcontrib-devhelp
  dependency-type: direct:production
...

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

broken_trans_deps.txt

@@ -41,7 +41,7 @@ beartype != 0.17.1; python_version == '3.9'
 # * sphinxcontrib-serializinghtml >=1.1.10,
 # * sphinxcontrib-qthelp >=1.0.7
 sphinxcontrib-applehelp <1.0.8
-sphinxcontrib-devhelp <1.0.6
+sphinxcontrib-devhelp <2.0.1
 sphinxcontrib-htmlhelp <2.0.5
 sphinxcontrib-serializinghtml <1.1.10
 sphinxcontrib-qthelp <1.0.7