Bump dev dependencies:

Bump pytest-xdist from 2.3.0 to 2.4.0

Bumps [pytest-xdist](https://github.com/pytest-dev/pytest-xdist) from 2.3.0 to 2.4.0.
- [Release notes](https://github.com/pytest-dev/pytest-xdist/releases)
- [Changelog](https://github.com/pytest-dev/pytest-xdist/blob/master/CHANGELOG.rst)
- [Commits](https://github.com/pytest-dev/pytest-xdist/compare/v2.3.0...v2.4.0)

---
updated-dependencies:
- dependency-name: pytest-xdist
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Bump ujson from 4.1.0 to 4.2.0

Bumps [ujson](https://github.com/ultrajson/ultrajson) from 4.1.0 to 4.2.0.
- [Release notes](https://github.com/ultrajson/ultrajson/releases)
- [Commits](https://github.com/ultrajson/ultrajson/compare/4.1.0...4.2.0)

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

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

Bump rich from 10.10.0 to 10.11.0

Bumps [rich](https://github.com/willmcgugan/rich) from 10.10.0 to 10.11.0.
- [Release notes](https://github.com/willmcgugan/rich/releases)
- [Changelog](https://github.com/willmcgugan/rich/blob/master/CHANGELOG.md)
- [Commits](https://github.com/willmcgugan/rich/compare/v10.10.0...v10.11.0)

---
updated-dependencies:
- dependency-name: rich
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

1 files changed, 1 insertions, 1 deletions

diff --git a/pyproject.toml b/pyproject.toml
index b0ed0a7..857725b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -98,7 +98,7 @@ timeout-decorator     = "^0.5"
 pre-commit            = "^2.15"
 
 # For convenience in local development
-nox                   = "^2021.6.12"
+nox                   = "^2021.10.1"
 nox-poetry            = "^0.8.6"
 rich                  = ">=10.0"
 sphinx-autobuild      = "^2021.3.14"