Bump python-dateutil from 2.8.1 to 2.8.2 (#1411)

Bumps [python-dateutil](https://github.com/dateutil/dateutil) from 2.8.1 to 2.8.2.
- [Release notes](https://github.com/dateutil/dateutil/releases)
- [Changelog](https://github.com/dateutil/dateutil/blob/master/NEWS)
- [Commits](dateutil/dateutil@2.8.1...2.8.2)

---
updated-dependencies:
- dependency-name: python-dateutil
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

requirements.txt

@@ -31,7 +31,7 @@ pyramid-mailer==0.15.1
 pyramid-multiauth==0.9.0
 pyramid-tm==2.4
 pyrsistent==0.18.0
-python-dateutil==2.8.1
+python-dateutil==2.8.2
 repoze.sendmail==4.4.1
 requests==2.26.0
 requests-hawk==1.1.1