Bump tox from 3.22.0 to 3.23.0

Created by: dependabot-preview[bot]

Bumps tox from 3.22.0 to 3.23.0.

Changelog

Sourced from tox's changelog.

v3.23.0 (2021-03-03)

Features

• tox can now be invoked with a new --no-provision flag that prevents provision, if requires or minversion are not satisfied, tox will fail; if a path is specified as an argument to the flag (e.g. as tox --no-provision missing.json) and provision is prevented, provision metadata are written as JSON to that path - by hroncok #1921
• Unicode support in pyproject.toml - by domdfcoding #1940

Commits

• eee8ba1 release 3.23.0
• 32e74a8 Add changelog for unicode
• 5bc9b66 Use UTF-8 encoding when parsing pyproject.toml (#1940)
• de42464 Remove dependency on unused fixtures (#1941)
• 93a9667 Add --no-provision flag (#1922)
• a586b2a [pre-commit.ci] pre-commit autoupdate (#1935)
• 5c494a8 Update .readthedocs.yml
• 3b8132a Delete readthedocs.yml
• d5957b8 Use python3.8 for rtd
• c81c586 Merge pull request #1920 from tox-dev/release-3.22.0
• See full diff in compare view

Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting @dependabot rebase.

---

Dependabot commands and options

You can trigger Dependabot actions by commenting on this PR:

• @dependabot rebase will rebase this PR
• @dependabot recreate will recreate this PR, overwriting any edits that have been made to it
• @dependabot merge will merge this PR after your CI passes on it
• @dependabot squash and merge will squash and merge this PR after your CI passes on it
• @dependabot cancel merge will cancel a previously requested merge and block automerging
• @dependabot reopen will reopen this PR if it is closed
• @dependabot close will close this PR and stop Dependabot recreating it. You can achieve the same result by closing it manually
• @dependabot ignore this major version will close this PR and stop Dependabot creating any more for this major version (unless you reopen the PR or upgrade to it yourself)
• @dependabot ignore this minor version will close this PR and stop Dependabot creating any more for this minor version (unless you reopen the PR or upgrade to it yourself)
• @dependabot ignore this dependency will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself)
• @dependabot use these labels will set the current labels as the default for future PRs for this repo and language
• @dependabot use these reviewers will set the current reviewers as the default for future PRs for this repo and language
• @dependabot use these assignees will set the current assignees as the default for future PRs for this repo and language
• @dependabot use this milestone will set the current milestone as the default for future PRs for this repo and language
• @dependabot badge me will comment on this PR with code to add a "Dependabot enabled" badge to your readme

Additionally, you can set the following in your Dependabot dashboard:

• Update frequency (including time of day and day of week)
• Pull request limits (per update run and/or open at any time)
• Out-of-range updates (receive only lockfile updates, if desired)
• Security updates (receive only security updates, if desired)