Bump the dev-dependencies group with 2 updates

Bumps the dev-dependencies group with 2 updates: [beautifulsoup4](https://www.crummy.com/software/BeautifulSoup/bs4/) and [tox](https://github.com/tox-dev/tox).


Updates `beautifulsoup4` from 4.12.2 to 4.12.3

Updates `tox` from 3.28.0 to 4.12.1
- [Release notes](https://github.com/tox-dev/tox/releases)
- [Changelog](https://github.com/tox-dev/tox/blob/main/docs/changelog.rst)
- [Commits](tox-dev/tox@3.28.0...4.12.1)

---
updated-dependencies:
- dependency-name: beautifulsoup4
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: dev-dependencies
- dependency-name: tox
  dependency-type: direct:development
  update-type: version-update:semver-major
  dependency-group: dev-dependencies
...

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

dev-requirements.txt

@@ -1,7 +1,7 @@
 accessible-pygments==0.0.4
 alabaster==0.7.16
 Babel==2.14.0
-beautifulsoup4==4.12.2
+beautifulsoup4==4.12.3
 certifi==2024.2.2
 cfgv==3.4.0
 charset-normalizer==3.3.2
@@ -46,7 +46,7 @@ sphinxcontrib-jsmath==1.0.1
 sphinxcontrib-qthelp==1.0.7
 sphinxcontrib-serializinghtml==1.1.10
 tornado==6.4
-tox==3.28.0
+tox==4.12.1
 tox-direct==0.4
 typing_extensions==4.9.0
 urllib3==2.2.0