Update pytest-xdist requirement from ~=3.2 to ~=3.3 (dbt-labs#608)

* Update pytest-xdist requirement from ~=3.2 to ~=3.3

Updates the requirements on [pytest-xdist](https://github.com/pytest-dev/pytest-xdist) to permit the latest version.
- [Changelog](https://github.com/pytest-dev/pytest-xdist/blob/master/CHANGELOG.rst)
- [Commits](pytest-dev/pytest-xdist@v3.2.0...v3.3.0)

---
updated-dependencies:
- dependency-name: pytest-xdist
  dependency-type: direct:development
...

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* Add automated changelog yaml from template for bot PR

---------

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.changes/unreleased/Dependencies-20230627-195905.yaml

@@ -0,0 +1,6 @@
+kind: "Dependencies"
+body: "Update pytest-xdist requirement from ~=3.2 to ~=3.3"
+time: 2023-06-27T19:59:05.00000Z
+custom:
+  Author: dependabot[bot]
+  PR: 608

dev-requirements.txt

@@ -20,7 +20,7 @@ pytest~=7.4
 pytest-csv~=3.0
 pytest-dotenv~=0.5.2
 pytest-logbook~=1.2
-pytest-xdist~=3.2
+pytest-xdist~=3.3
 pytz~=2023.3
 tox~=4.6
 types-pytz~=2023.3