Update sentry-sdk requirement from ~=0.15.1 to ~=0.16.3 (#619)

Updates the requirements on [sentry-sdk](https://github.com/getsentry/sentry-python) to permit the latest version.
- [Release notes](https://github.com/getsentry/sentry-python/releases)
- [Changelog](https://github.com/getsentry/sentry-python/blob/master/CHANGES.md)
- [Commits](getsentry/sentry-python@0.15.1...0.16.3)

Signed-off-by: dependabot-preview[bot] <[email protected]>

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

Author: dependabot-preview[bot]

requirements.txt

@@ -7,7 +7,7 @@ git+https://github.com/anastasia/htmldiffer@develop
 git+https://github.com/danielballan/htmltreediff@customize
 html5-parser ~=0.4.9 --no-binary lxml
 lxml ~=4.5.2
-sentry-sdk ~=0.15.1
+sentry-sdk ~=0.16.3
 requests ~=2.24.0
 toolz ~=0.10.0
 tornado ~=6.0.4