Bump pillow from 7.2.0 to 8.1.1 in /Zoom-Auto-Attend

Bumps [pillow](https://github.com/python-pillow/Pillow) from 7.2.0 to 8.1.1.
- [Release notes](https://github.com/python-pillow/Pillow/releases)
- [Changelog](https://github.com/python-pillow/Pillow/blob/master/CHANGES.rst)
- [Commits](python-pillow/Pillow@7.2.0...8.1.1)

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

Author: dependabot[bot]

Zoom-Auto-Attend/requirements.txt

@@ -5,7 +5,7 @@ clint==0.5.1
 MouseInfo==0.1.3
 mypy-extensions==0.4.3
 pathspec==0.8.0
-Pillow==7.2.0
+Pillow==8.1.1
 prompt-toolkit==1.0.14
 PyAutoGUI==0.9.50
 pyfiglet==0.8.post1