build(deps): bump tox from 4.18.0 to 4.20.0

Bumps [tox](https://github.com/tox-dev/tox) from 4.18.0 to 4.20.0.
- [Release notes](https://github.com/tox-dev/tox/releases)
- [Changelog](https://github.com/tox-dev/tox/blob/main/docs/changelog.rst)
- [Commits](https://github.com/tox-dev/tox/compare/4.18.0...4.20.0)

---
updated-dependencies:
- dependency-name: tox
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

requirements-ci.txt

@@ -48,10 +48,14 @@ tox==4.20.0
     #   tox-gh-actions
 tox-gh-actions==3.2.0
     # via -r requirements-ci.in
+types-requests==2.32.0.20240914
+    # via -r requirements-ci.in
 typing-extensions==4.12.2
     # via pyee
 urllib3==2.2.3
-    # via requests
+    # via
+    #   requests
+    #   types-requests
 virtualenv==20.26.5
     # via tox
 whitenoise==6.7.0

requirements-dev.txt

@@ -8,7 +8,7 @@ asgiref==3.8.1
     # via django
 black==24.8.0
     # via -r requirements-dev.in
-cachetools==5.4.0
+cachetools==5.5.0
     # via tox
 certifi==2024.8.30
     # via requests
@@ -93,7 +93,7 @@ requests==2.32.3
     # via -r requirements-dev.in
 sqlparse==0.5.0
     # via django
-tox==4.18.0
+tox==4.20.0
     # via -r requirements-dev.in
 types-requests==2.32.0.20240914
     # via -r requirements-dev.in