Update tox requirement from ~=4.7 to ~=4.8 (#581)

* Update tox requirement from ~=4.7 to ~=4.8

Updates the requirements on [tox](https://github.com/tox-dev/tox) to permit the latest version.
- [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@4.7.0...4.8.0)

---
updated-dependencies:
- dependency-name: tox
  dependency-type: direct:development
...

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

* Add automated changelog yaml from template for bot PR

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Github Build Bot <buildbot@fishtownanalytics.com>

Author: dependabot[bot]

.changes/unreleased/Dependencies-20230814-190800.yaml

@@ -0,0 +1,6 @@
+kind: "Dependencies"
+body: "Update tox requirement from ~=4.7 to ~=4.8"
+time: 2023-08-14T19:08:00.00000Z
+custom:
+  Author: dependabot[bot]
+  PR: 581

dev-requirements.txt

@@ -24,7 +24,7 @@ pytest-dotenv~=0.5.2
 pytest-logbook~=1.2
 pytest-xdist~=3.3
 pytz~=2023.3
-tox~=4.7
+tox~=4.8
 types-pytz~=2023.3
 types-requests~=2.31
 twine~=4.0