Update tox requirement from ~=3.0 to ~=4.5

[dependabot[bot]]

Updates the requirements on tox to permit the latest version.

Release notes

Sourced from tox's releases.

4.5.0

What's Changed

• Bump deps and tools by @​gaborbernat in tox-dev/tox#2987
• git: Ignore the .lock file for demo_pkg_inline by @​hroncok in tox-dev/tox#2988
• Add FAQ entry on how to test against EOL Python versions by @​jugmac00 in tox-dev/tox#2991
• Feature: suppress step timings for verbosity=1 #2891 by @​nedbat in tox-dev/tox#2992

Full Changelog: https://github.com/tox-dev/tox/compare/4.4.12...4.5.0

Changelog

Sourced from tox's changelog.

v4.5.0 (2023-04-24)

Features - 4.5.0

- When run with verbosity=1, the per-step timing summaries are suppressed at the
  end of the run.  Thanks to :user:`nedbat` at the PyCon 2023 sprints. (:issue:`2891`)
Improved Documentation - 4.5.0

• Add FAQ entry on how to test EOL Python versions by :user:jugmac00. (:issue:2989)

v4.4.12 (2023-04-13)

Bugfixes - 4.4.12

- Avoid race conditions in tests using the ``demo_pkg_inline`` fixture. (:issue:`2985`)
v4.4.11 (2023-04-05)
Bugfixes - 4.4.11

• Fixed an issue where a tox plugin couldn't change the value of tox_root. (:issue:2966)

v4.4.10 (2023-04-05)

Bugfixes - 4.4.10

- Fix issue where ``work_dir`` was not correctly including ``tox_root`` for test runs. (:issue:`2933`)
v4.4.9 (2023-04-05)
Bugfixes - 4.4.9
- Instead of raising ``UnicodeDecodeError`` when command output includes non-utf-8 bytes,
  ``tox`` will now use ``surrogateescape`` error handling to convert the unrecognized bytes
  to escape sequences according to :pep:`383` - by :user:`masenf`. (:issue:`2969`)

Improved Documentation - 4.4.9
</code></pre>
<ul>
<li>Document running tox within a Docker container. (:issue:<code>1035</code>)</li>
<li>Added python version 3.11 to <code>installation.rst</code>. (:issue:<code>2964</code>)</li>
</ul>
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</details>
<details>
<summary>Commits</summary>

<ul>
<li>See full diff in <a href="https://github.com/tox-dev/tox/commits/4.5.0">compare view</a></li>
</ul>
</details>

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[github-actions[bot]]

Thank you for your pull request! We could not find a changelog entry for this change. For details on how to document a change, see the dbt-spark contributing guide.

[github-actions[bot]]

Thank you for your pull request! We could not find a changelog entry for this change. For details on how to document a change, see the dbt-spark contributing guide.

[VersusFacit]

Make sure that the major version bump doesn't cause test to stop running silently or something crazy like that

[dependabot[bot]]

A newer version of tox exists, but since this PR has been edited by someone other than Dependabot I haven't updated it. You'll get a PR for the updated version as normal once this PR is merged.