Build(deps): Bump pillow from 8.1.2 to 8.2.0 (#434)

Bumps [pillow](https://github.com/python-pillow/Pillow) from 8.1.2 to 8.2.0.
- [Release notes](https://github.com/python-pillow/Pillow/releases)
- [Changelog](https://github.com/python-pillow/Pillow/blob/master/CHANGES.rst)
- [Commits](https://github.com/python-pillow/Pillow/compare/8.1.2...8.2.0)

---
updated-dependencies:
- dependency-name: pillow
  dependency-type: direct:production
...

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

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

Pipfile

@@ -39,7 +39,7 @@ lxml = "~=4.6.3"
 Markdown = "~=3.3.3"
 msgpack = "~=1.0.2"
 pep517 = "~=0.9.1"
-Pillow = "~=8.1.0"
+Pillow = "~=8.2.0"
 premailer = "~=3.7.0"
 progress = "~=1.5"
 psutil = "~=5.8.0"